Home / 48,115.17-72,172.71-21,454.29

Finding the Fourth Proportional to 48,115.17, 72,172.71 and 21,454.29

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Solution

The fourth proportional to 48,115.17, 72,172.71 and 21,454.29 is: 32,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,115.17 : 72,172.71 = 21,454.29 : x
  2. Step 2: Convert to fraction form
    48,115.17/72,172.71 = 21,454.29/x
  3. Step 3: Cross multiply
    48,115.17x = 72,172.71 × 21,454.29
  4. Step 4: Simplify right side
    48,115.17x = 1,548,414,250.43
  5. Step 5: Solve for x
    x = 1,548,414,250.43/48,115.17
  6. Step 6: Final answer
    x = 32,181.41

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1.5x scale

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.