Home / 38,780.88-58,178.52-25,644.24

Finding the Fourth Proportional to 38,780.88, 58,178.52 and 25,644.24

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Solution

The fourth proportional to 38,780.88, 58,178.52 and 25,644.24 is: 38,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,780.88 : 58,178.52 = 25,644.24 : x
  2. Step 2: Convert to fraction form
    38,780.88/58,178.52 = 25,644.24/x
  3. Step 3: Cross multiply
    38,780.88x = 58,178.52 × 25,644.24
  4. Step 4: Simplify right side
    38,780.88x = 1,491,943,929.72
  5. Step 5: Solve for x
    x = 1,491,943,929.72/38,780.88
  6. Step 6: Final answer
    x = 38,471.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.