Home / 48,121.43-72,181.35-14,387.53

Finding the Fourth Proportional to 48,121.43, 72,181.35 and 14,387.53

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Solution

The fourth proportional to 48,121.43, 72,181.35 and 14,387.53 is: 21,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121.43 : 72,181.35 = 14,387.53 : x
  2. Step 2: Convert to fraction form
    48,121.43/72,181.35 = 14,387.53/x
  3. Step 3: Cross multiply
    48,121.43x = 72,181.35 × 14,387.53
  4. Step 4: Simplify right side
    48,121.43x = 1,038,511,158.11
  5. Step 5: Solve for x
    x = 1,038,511,158.11/48,121.43
  6. Step 6: Final answer
    x = 21,581.05

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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.