Home / 38,142.12-52,616.88-25,545

Finding the Fourth Proportional to 38,142.12, 52,616.88 and 25,545

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Solution

The fourth proportional to 38,142.12, 52,616.88 and 25,545 is: 35,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.12 : 52,616.88 = 25,545 : x
  2. Step 2: Convert to fraction form
    38,142.12/52,616.88 = 25,545/x
  3. Step 3: Cross multiply
    38,142.12x = 52,616.88 × 25,545
  4. Step 4: Simplify right side
    38,142.12x = 1,344,098,199.60
  5. Step 5: Solve for x
    x = 1,344,098,199.60/38,142.12
  6. Step 6: Final answer
    x = 35,239.21

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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.