Home / 39,772.60-54,854.22-34,982.20

Finding the Fourth Proportional to 39,772.60, 54,854.22 and 34,982.20

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Solution

The fourth proportional to 39,772.60, 54,854.22 and 34,982.20 is: 48,247.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,772.60 : 54,854.22 = 34,982.20 : x
  2. Step 2: Convert to fraction form
    39,772.60/54,854.22 = 34,982.20/x
  3. Step 3: Cross multiply
    39,772.60x = 54,854.22 × 34,982.20
  4. Step 4: Simplify right side
    39,772.60x = 1,918,921,294.88
  5. Step 5: Solve for x
    x = 1,918,921,294.88/39,772.60
  6. Step 6: Final answer
    x = 48,247.32

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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.