Home / 39,930.81-59,937.75-29,412.70

Finding the Fourth Proportional to 39,930.81, 59,937.75 and 29,412.70

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Solution

The fourth proportional to 39,930.81, 59,937.75 and 29,412.70 is: 44,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.81 : 59,937.75 = 29,412.70 : x
  2. Step 2: Convert to fraction form
    39,930.81/59,937.75 = 29,412.70/x
  3. Step 3: Cross multiply
    39,930.81x = 59,937.75 × 29,412.70
  4. Step 4: Simplify right side
    39,930.81x = 1,762,931,059.43
  5. Step 5: Solve for x
    x = 1,762,931,059.43/39,930.81
  6. Step 6: Final answer
    x = 44,149.64

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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.