Home / 57,590.28-79,470.54-31,747.68

Finding the Fourth Proportional to 57,590.28, 79,470.54 and 31,747.68

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Solution

The fourth proportional to 57,590.28, 79,470.54 and 31,747.68 is: 43,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,590.28 : 79,470.54 = 31,747.68 : x
  2. Step 2: Convert to fraction form
    57,590.28/79,470.54 = 31,747.68/x
  3. Step 3: Cross multiply
    57,590.28x = 79,470.54 × 31,747.68
  4. Step 4: Simplify right side
    57,590.28x = 2,523,005,273.35
  5. Step 5: Solve for x
    x = 2,523,005,273.35/57,590.28
  6. Step 6: Final answer
    x = 43,809.57

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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.