Home / 49,663.12-68,538.01-28,154.58

Finding the Fourth Proportional to 49,663.12, 68,538.01 and 28,154.58

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Solution

The fourth proportional to 49,663.12, 68,538.01 and 28,154.58 is: 38,854.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,663.12 : 68,538.01 = 28,154.58 : x
  2. Step 2: Convert to fraction form
    49,663.12/68,538.01 = 28,154.58/x
  3. Step 3: Cross multiply
    49,663.12x = 68,538.01 × 28,154.58
  4. Step 4: Simplify right side
    49,663.12x = 1,929,658,542.90
  5. Step 5: Solve for x
    x = 1,929,658,542.90/49,663.12
  6. Step 6: Final answer
    x = 38,854.96

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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.