Home / 48,618.50-72,951.33-21,982.90

Finding the Fourth Proportional to 48,618.50, 72,951.33 and 21,982.90

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Solution

The fourth proportional to 48,618.50, 72,951.33 and 21,982.90 is: 32,985.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,618.50 : 72,951.33 = 21,982.90 : x
  2. Step 2: Convert to fraction form
    48,618.50/72,951.33 = 21,982.90/x
  3. Step 3: Cross multiply
    48,618.50x = 72,951.33 × 21,982.90
  4. Step 4: Simplify right side
    48,618.50x = 1,603,681,829.10
  5. Step 5: Solve for x
    x = 1,603,681,829.10/48,618.50
  6. Step 6: Final answer
    x = 32,985.01

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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.