Home / 42,329.39-63,487.60-11,167.07

Finding the Fourth Proportional to 42,329.39, 63,487.60 and 11,167.07

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Solution

The fourth proportional to 42,329.39, 63,487.60 and 11,167.07 is: 16,748.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,329.39 : 63,487.60 = 11,167.07 : x
  2. Step 2: Convert to fraction form
    42,329.39/63,487.60 = 11,167.07/x
  3. Step 3: Cross multiply
    42,329.39x = 63,487.60 × 11,167.07
  4. Step 4: Simplify right side
    42,329.39x = 708,970,127.98
  5. Step 5: Solve for x
    x = 708,970,127.98/42,329.39
  6. Step 6: Final answer
    x = 16,748.89

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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.