Home / 55,143.42-76,101.03-29,992.38

Finding the Fourth Proportional to 55,143.42, 76,101.03 and 29,992.38

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Solution

The fourth proportional to 55,143.42, 76,101.03 and 29,992.38 is: 41,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143.42 : 76,101.03 = 29,992.38 : x
  2. Step 2: Convert to fraction form
    55,143.42/76,101.03 = 29,992.38/x
  3. Step 3: Cross multiply
    55,143.42x = 76,101.03 × 29,992.38
  4. Step 4: Simplify right side
    55,143.42x = 2,282,451,010.15
  5. Step 5: Solve for x
    x = 2,282,451,010.15/55,143.42
  6. Step 6: Final answer
    x = 41,391.18

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.