Home / 55,189.60-76,167.20-32,535.78

Finding the Fourth Proportional to 55,189.60, 76,167.20 and 32,535.78

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Solution

The fourth proportional to 55,189.60, 76,167.20 and 32,535.78 is: 44,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,189.60 : 76,167.20 = 32,535.78 : x
  2. Step 2: Convert to fraction form
    55,189.60/76,167.20 = 32,535.78/x
  3. Step 3: Cross multiply
    55,189.60x = 76,167.20 × 32,535.78
  4. Step 4: Simplify right side
    55,189.60x = 2,478,159,262.42
  5. Step 5: Solve for x
    x = 2,478,159,262.42/55,189.60
  6. Step 6: Final answer
    x = 44,902.65

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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.