Home / 48,613.32-72,920.31-13,553.28

Finding the Fourth Proportional to 48,613.32, 72,920.31 and 13,553.28

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Solution

The fourth proportional to 48,613.32, 72,920.31 and 13,553.28 is: 20,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,613.32 : 72,920.31 = 13,553.28 : x
  2. Step 2: Convert to fraction form
    48,613.32/72,920.31 = 13,553.28/x
  3. Step 3: Cross multiply
    48,613.32x = 72,920.31 × 13,553.28
  4. Step 4: Simplify right side
    48,613.32x = 988,309,379.12
  5. Step 5: Solve for x
    x = 988,309,379.12/48,613.32
  6. Step 6: Final answer
    x = 20,330.01

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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.