Home / 39,704.24-59,565-13,407.86

Finding the Fourth Proportional to 39,704.24, 59,565 and 13,407.86

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Solution

The fourth proportional to 39,704.24, 59,565 and 13,407.86 is: 20,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,704.24 : 59,565 = 13,407.86 : x
  2. Step 2: Convert to fraction form
    39,704.24/59,565 = 13,407.86/x
  3. Step 3: Cross multiply
    39,704.24x = 59,565 × 13,407.86
  4. Step 4: Simplify right side
    39,704.24x = 798,639,180.90
  5. Step 5: Solve for x
    x = 798,639,180.90/39,704.24
  6. Step 6: Final answer
    x = 20,114.71

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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.