Home / 39,909.38-59,873.78-12,207.38

Finding the Fourth Proportional to 39,909.38, 59,873.78 and 12,207.38

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Solution

The fourth proportional to 39,909.38, 59,873.78 and 12,207.38 is: 18,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.38 : 59,873.78 = 12,207.38 : x
  2. Step 2: Convert to fraction form
    39,909.38/59,873.78 = 12,207.38/x
  3. Step 3: Cross multiply
    39,909.38x = 59,873.78 × 12,207.38
  4. Step 4: Simplify right side
    39,909.38x = 730,901,984.50
  5. Step 5: Solve for x
    x = 730,901,984.50/39,909.38
  6. Step 6: Final answer
    x = 18,314.04

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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.