Home / 39,253.53-54,169.41-21,348.14

Finding the Fourth Proportional to 39,253.53, 54,169.41 and 21,348.14

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Solution

The fourth proportional to 39,253.53, 54,169.41 and 21,348.14 is: 29,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,253.53 : 54,169.41 = 21,348.14 : x
  2. Step 2: Convert to fraction form
    39,253.53/54,169.41 = 21,348.14/x
  3. Step 3: Cross multiply
    39,253.53x = 54,169.41 × 21,348.14
  4. Step 4: Simplify right side
    39,253.53x = 1,156,416,012.97
  5. Step 5: Solve for x
    x = 1,156,416,012.97/39,253.53
  6. Step 6: Final answer
    x = 29,460.18

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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.