Home / 57,099.52-78,778.20-33,221.08

Finding the Fourth Proportional to 57,099.52, 78,778.20 and 33,221.08

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Solution

The fourth proportional to 57,099.52, 78,778.20 and 33,221.08 is: 45,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,099.52 : 78,778.20 = 33,221.08 : x
  2. Step 2: Convert to fraction form
    57,099.52/78,778.20 = 33,221.08/x
  3. Step 3: Cross multiply
    57,099.52x = 78,778.20 × 33,221.08
  4. Step 4: Simplify right side
    57,099.52x = 2,617,096,884.46
  5. Step 5: Solve for x
    x = 2,617,096,884.46/57,099.52
  6. Step 6: Final answer
    x = 45,833.96

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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.