Home / 48,442.48-72,658.24-13,387.12

Finding the Fourth Proportional to 48,442.48, 72,658.24 and 13,387.12

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Solution

The fourth proportional to 48,442.48, 72,658.24 and 13,387.12 is: 20,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,442.48 : 72,658.24 = 13,387.12 : x
  2. Step 2: Convert to fraction form
    48,442.48/72,658.24 = 13,387.12/x
  3. Step 3: Cross multiply
    48,442.48x = 72,658.24 × 13,387.12
  4. Step 4: Simplify right side
    48,442.48x = 972,684,577.87
  5. Step 5: Solve for x
    x = 972,684,577.87/48,442.48
  6. Step 6: Final answer
    x = 20,079.17

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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.