Home / 48,372.98-72,587.49-20,290.53

Finding the Fourth Proportional to 48,372.98, 72,587.49 and 20,290.53

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Solution

The fourth proportional to 48,372.98, 72,587.49 and 20,290.53 is: 30,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,372.98 : 72,587.49 = 20,290.53 : x
  2. Step 2: Convert to fraction form
    48,372.98/72,587.49 = 20,290.53/x
  3. Step 3: Cross multiply
    48,372.98x = 72,587.49 × 20,290.53
  4. Step 4: Simplify right side
    48,372.98x = 1,472,838,643.47
  5. Step 5: Solve for x
    x = 1,472,838,643.47/48,372.98
  6. Step 6: Final answer
    x = 30,447.55

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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.