Home / 48,532.69-72,770.31-18,915.95

Finding the Fourth Proportional to 48,532.69, 72,770.31 and 18,915.95

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Solution

The fourth proportional to 48,532.69, 72,770.31 and 18,915.95 is: 28,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,532.69 : 72,770.31 = 18,915.95 : x
  2. Step 2: Convert to fraction form
    48,532.69/72,770.31 = 18,915.95/x
  3. Step 3: Cross multiply
    48,532.69x = 72,770.31 × 18,915.95
  4. Step 4: Simplify right side
    48,532.69x = 1,376,519,545.44
  5. Step 5: Solve for x
    x = 1,376,519,545.44/48,532.69
  6. Step 6: Final answer
    x = 28,362.73

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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.