Home / 42,376.08-58,489.74-28,952.76

Finding the Fourth Proportional to 42,376.08, 58,489.74 and 28,952.76

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Solution

The fourth proportional to 42,376.08, 58,489.74 and 28,952.76 is: 39,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,376.08 : 58,489.74 = 28,952.76 : x
  2. Step 2: Convert to fraction form
    42,376.08/58,489.74 = 28,952.76/x
  3. Step 3: Cross multiply
    42,376.08x = 58,489.74 × 28,952.76
  4. Step 4: Simplify right side
    42,376.08x = 1,693,439,404.68
  5. Step 5: Solve for x
    x = 1,693,439,404.68/42,376.08
  6. Step 6: Final answer
    x = 39,962.15

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1.5x scale

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.