Home / 55,769.76-76,949.10-31,909.62

Finding the Fourth Proportional to 55,769.76, 76,949.10 and 31,909.62

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Solution

The fourth proportional to 55,769.76, 76,949.10 and 31,909.62 is: 44,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769.76 : 76,949.10 = 31,909.62 : x
  2. Step 2: Convert to fraction form
    55,769.76/76,949.10 = 31,909.62/x
  3. Step 3: Cross multiply
    55,769.76x = 76,949.10 × 31,909.62
  4. Step 4: Simplify right side
    55,769.76x = 2,455,416,540.34
  5. Step 5: Solve for x
    x = 2,455,416,540.34/55,769.76
  6. Step 6: Final answer
    x = 44,027.74

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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.