Home / 39,200.62-58,724.38-31,319.52

Finding the Fourth Proportional to 39,200.62, 58,724.38 and 31,319.52

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Solution

The fourth proportional to 39,200.62, 58,724.38 and 31,319.52 is: 46,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,200.62 : 58,724.38 = 31,319.52 : x
  2. Step 2: Convert to fraction form
    39,200.62/58,724.38 = 31,319.52/x
  3. Step 3: Cross multiply
    39,200.62x = 58,724.38 × 31,319.52
  4. Step 4: Simplify right side
    39,200.62x = 1,839,219,393.90
  5. Step 5: Solve for x
    x = 1,839,219,393.90/39,200.62
  6. Step 6: Final answer
    x = 46,918.12

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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.