Home / 48,618.38-72,939.86-13,558.04

Finding the Fourth Proportional to 48,618.38, 72,939.86 and 13,558.04

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Solution

The fourth proportional to 48,618.38, 72,939.86 and 13,558.04 is: 20,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,618.38 : 72,939.86 = 13,558.04 : x
  2. Step 2: Convert to fraction form
    48,618.38/72,939.86 = 13,558.04/x
  3. Step 3: Cross multiply
    48,618.38x = 72,939.86 × 13,558.04
  4. Step 4: Simplify right side
    48,618.38x = 988,921,208.67
  5. Step 5: Solve for x
    x = 988,921,208.67/48,618.38
  6. Step 6: Final answer
    x = 20,340.48

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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.