Home / 48,374.31-72,589.47-20,291.85

Finding the Fourth Proportional to 48,374.31, 72,589.47 and 20,291.85

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Solution

The fourth proportional to 48,374.31, 72,589.47 and 20,291.85 is: 30,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,374.31 : 72,589.47 = 20,291.85 : x
  2. Step 2: Convert to fraction form
    48,374.31/72,589.47 = 20,291.85/x
  3. Step 3: Cross multiply
    48,374.31x = 72,589.47 × 20,291.85
  4. Step 4: Simplify right side
    48,374.31x = 1,472,974,636.82
  5. Step 5: Solve for x
    x = 1,472,974,636.82/48,374.31
  6. Step 6: Final answer
    x = 30,449.52

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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.