Home / 48,299.67-72,441.18-12,761.39

Finding the Fourth Proportional to 48,299.67, 72,441.18 and 12,761.39

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Solution

The fourth proportional to 48,299.67, 72,441.18 and 12,761.39 is: 19,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,299.67 : 72,441.18 = 12,761.39 : x
  2. Step 2: Convert to fraction form
    48,299.67/72,441.18 = 12,761.39/x
  3. Step 3: Cross multiply
    48,299.67x = 72,441.18 × 12,761.39
  4. Step 4: Simplify right side
    48,299.67x = 924,449,787.83
  5. Step 5: Solve for x
    x = 924,449,787.83/48,299.67
  6. Step 6: Final answer
    x = 19,139.88

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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.