Home / 42,899.12-59,180.30-28,565.56

Finding the Fourth Proportional to 42,899.12, 59,180.30 and 28,565.56

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Solution

The fourth proportional to 42,899.12, 59,180.30 and 28,565.56 is: 39,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,899.12 : 59,180.30 = 28,565.56 : x
  2. Step 2: Convert to fraction form
    42,899.12/59,180.30 = 28,565.56/x
  3. Step 3: Cross multiply
    42,899.12x = 59,180.30 × 28,565.56
  4. Step 4: Simplify right side
    42,899.12x = 1,690,518,114.57
  5. Step 5: Solve for x
    x = 1,690,518,114.57/42,899.12
  6. Step 6: Final answer
    x = 39,406.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.