Home / 62,489.20-86,235.60-34,195.12

Finding the Fourth Proportional to 62,489.20, 86,235.60 and 34,195.12

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Solution

The fourth proportional to 62,489.20, 86,235.60 and 34,195.12 is: 47,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,489.20 : 86,235.60 = 34,195.12 : x
  2. Step 2: Convert to fraction form
    62,489.20/86,235.60 = 34,195.12/x
  3. Step 3: Cross multiply
    62,489.20x = 86,235.60 × 34,195.12
  4. Step 4: Simplify right side
    62,489.20x = 2,948,836,690.27
  5. Step 5: Solve for x
    x = 2,948,836,690.27/62,489.20
  6. Step 6: Final answer
    x = 47,189.54

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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.