Home / 38,679.84-53,359.20-25,244.88

Finding the Fourth Proportional to 38,679.84, 53,359.20 and 25,244.88

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Solution

The fourth proportional to 38,679.84, 53,359.20 and 25,244.88 is: 34,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,679.84 : 53,359.20 = 25,244.88 : x
  2. Step 2: Convert to fraction form
    38,679.84/53,359.20 = 25,244.88/x
  3. Step 3: Cross multiply
    38,679.84x = 53,359.20 × 25,244.88
  4. Step 4: Simplify right side
    38,679.84x = 1,347,046,600.90
  5. Step 5: Solve for x
    x = 1,347,046,600.90/38,679.84
  6. Step 6: Final answer
    x = 34,825.55

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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.