Home / 30,022.09-45,035.39-8,960.47

Finding the Fourth Proportional to 30,022.09, 45,035.39 and 8,960.47

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Solution

The fourth proportional to 30,022.09, 45,035.39 and 8,960.47 is: 13,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,022.09 : 45,035.39 = 8,960.47 : x
  2. Step 2: Convert to fraction form
    30,022.09/45,035.39 = 8,960.47/x
  3. Step 3: Cross multiply
    30,022.09x = 45,035.39 × 8,960.47
  4. Step 4: Simplify right side
    30,022.09x = 403,538,261.03
  5. Step 5: Solve for x
    x = 403,538,261.03/30,022.09
  6. Step 6: Final answer
    x = 13,441.38

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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.