Home / 48,442.66-72,677.76-18,868.95

Finding the Fourth Proportional to 48,442.66, 72,677.76 and 18,868.95

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Solution

The fourth proportional to 48,442.66, 72,677.76 and 18,868.95 is: 28,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,442.66 : 72,677.76 = 18,868.95 : x
  2. Step 2: Convert to fraction form
    48,442.66/72,677.76 = 18,868.95/x
  3. Step 3: Cross multiply
    48,442.66x = 72,677.76 × 18,868.95
  4. Step 4: Simplify right side
    48,442.66x = 1,371,352,948.79
  5. Step 5: Solve for x
    x = 1,371,352,948.79/48,442.66
  6. Step 6: Final answer
    x = 28,308.79

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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.