Home / 54,285.38-81,307.76-41,712.86

Finding the Fourth Proportional to 54,285.38, 81,307.76 and 41,712.86

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Solution

The fourth proportional to 54,285.38, 81,307.76 and 41,712.86 is: 62,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.38 : 81,307.76 = 41,712.86 : x
  2. Step 2: Convert to fraction form
    54,285.38/81,307.76 = 41,712.86/x
  3. Step 3: Cross multiply
    54,285.38x = 81,307.76 × 41,712.86
  4. Step 4: Simplify right side
    54,285.38x = 3,391,579,209.79
  5. Step 5: Solve for x
    x = 3,391,579,209.79/54,285.38
  6. Step 6: Final answer
    x = 62,476.84

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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.