Home / 30,733.36-42,412.90-18,796.48

Finding the Fourth Proportional to 30,733.36, 42,412.90 and 18,796.48

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Solution

The fourth proportional to 30,733.36, 42,412.90 and 18,796.48 is: 25,939.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,733.36 : 42,412.90 = 18,796.48 : x
  2. Step 2: Convert to fraction form
    30,733.36/42,412.90 = 18,796.48/x
  3. Step 3: Cross multiply
    30,733.36x = 42,412.90 × 18,796.48
  4. Step 4: Simplify right side
    30,733.36x = 797,213,226.59
  5. Step 5: Solve for x
    x = 797,213,226.59/30,733.36
  6. Step 6: Final answer
    x = 25,939.67

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.