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Finding the Fourth Proportional to 30,602.37, 45,903.55 and 10,881.71

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Solution

The fourth proportional to 30,602.37, 45,903.55 and 10,881.71 is: 16,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602.37 : 45,903.55 = 10,881.71 : x
  2. Step 2: Convert to fraction form
    30,602.37/45,903.55 = 10,881.71/x
  3. Step 3: Cross multiply
    30,602.37x = 45,903.55 × 10,881.71
  4. Step 4: Simplify right side
    30,602.37x = 499,509,119.07
  5. Step 5: Solve for x
    x = 499,509,119.07/30,602.37
  6. Step 6: Final answer
    x = 16,322.56

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Half scale
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Double scale
Find fourth proportional to 30,603.37, 45,905.05 and 10,882.71
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.