Home / 48,373.30-72,587.96-20,290.86

Finding the Fourth Proportional to 48,373.30, 72,587.96 and 20,290.86

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Solution

The fourth proportional to 48,373.30, 72,587.96 and 20,290.86 is: 30,448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,373.30 : 72,587.96 = 20,290.86 : x
  2. Step 2: Convert to fraction form
    48,373.30/72,587.96 = 20,290.86/x
  3. Step 3: Cross multiply
    48,373.30x = 72,587.96 × 20,290.86
  4. Step 4: Simplify right side
    48,373.30x = 1,472,872,134.05
  5. Step 5: Solve for x
    x = 1,472,872,134.05/48,373.30
  6. Step 6: Final answer
    x = 30,448.04

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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.