Home / 39,253.43-54,170.10-21,348.80

Finding the Fourth Proportional to 39,253.43, 54,170.10 and 21,348.80

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Solution

The fourth proportional to 39,253.43, 54,170.10 and 21,348.80 is: 29,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,253.43 : 54,170.10 = 21,348.80 : x
  2. Step 2: Convert to fraction form
    39,253.43/54,170.10 = 21,348.80/x
  3. Step 3: Cross multiply
    39,253.43x = 54,170.10 × 21,348.80
  4. Step 4: Simplify right side
    39,253.43x = 1,156,466,630.88
  5. Step 5: Solve for x
    x = 1,156,466,630.88/39,253.43
  6. Step 6: Final answer
    x = 29,461.54

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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.