Home / 55,167.60-76,099.55-34,989.78

Finding the Fourth Proportional to 55,167.60, 76,099.55 and 34,989.78

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Solution

The fourth proportional to 55,167.60, 76,099.55 and 34,989.78 is: 48,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,167.60 : 76,099.55 = 34,989.78 : x
  2. Step 2: Convert to fraction form
    55,167.60/76,099.55 = 34,989.78/x
  3. Step 3: Cross multiply
    55,167.60x = 76,099.55 × 34,989.78
  4. Step 4: Simplify right side
    55,167.60x = 2,662,706,337.65
  5. Step 5: Solve for x
    x = 2,662,706,337.65/55,167.60
  6. Step 6: Final answer
    x = 48,265.76

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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.