Home / 48,281.67-72,426.15-31,376.16

Finding the Fourth Proportional to 48,281.67, 72,426.15 and 31,376.16

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Solution

The fourth proportional to 48,281.67, 72,426.15 and 31,376.16 is: 47,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,281.67 : 72,426.15 = 31,376.16 : x
  2. Step 2: Convert to fraction form
    48,281.67/72,426.15 = 31,376.16/x
  3. Step 3: Cross multiply
    48,281.67x = 72,426.15 × 31,376.16
  4. Step 4: Simplify right side
    48,281.67x = 2,272,454,470.58
  5. Step 5: Solve for x
    x = 2,272,454,470.58/48,281.67
  6. Step 6: Final answer
    x = 47,066.61

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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.