Home / 52,455.06-72,387.06-28,581.90

Finding the Fourth Proportional to 52,455.06, 72,387.06 and 28,581.90

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Solution

The fourth proportional to 52,455.06, 72,387.06 and 28,581.90 is: 39,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.06 : 72,387.06 = 28,581.90 : x
  2. Step 2: Convert to fraction form
    52,455.06/72,387.06 = 28,581.90/x
  3. Step 3: Cross multiply
    52,455.06x = 72,387.06 × 28,581.90
  4. Step 4: Simplify right side
    52,455.06x = 2,068,959,710.21
  5. Step 5: Solve for x
    x = 2,068,959,710.21/52,455.06
  6. Step 6: Final answer
    x = 39,442.52

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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.