Home / 39,254.03-54,170.79-21,348.98

Finding the Fourth Proportional to 39,254.03, 54,170.79 and 21,348.98

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Solution

The fourth proportional to 39,254.03, 54,170.79 and 21,348.98 is: 29,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,254.03 : 54,170.79 = 21,348.98 : x
  2. Step 2: Convert to fraction form
    39,254.03/54,170.79 = 21,348.98/x
  3. Step 3: Cross multiply
    39,254.03x = 54,170.79 × 21,348.98
  4. Step 4: Simplify right side
    39,254.03x = 1,156,491,112.29
  5. Step 5: Solve for x
    x = 1,156,491,112.29/39,254.03
  6. Step 6: Final answer
    x = 29,461.72

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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.