Home / 34,882.56-48,139.20-19,981.44

Finding the Fourth Proportional to 34,882.56, 48,139.20 and 19,981.44

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Solution

The fourth proportional to 34,882.56, 48,139.20 and 19,981.44 is: 27,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,882.56 : 48,139.20 = 19,981.44 : x
  2. Step 2: Convert to fraction form
    34,882.56/48,139.20 = 19,981.44/x
  3. Step 3: Cross multiply
    34,882.56x = 48,139.20 × 19,981.44
  4. Step 4: Simplify right side
    34,882.56x = 961,890,536.45
  5. Step 5: Solve for x
    x = 961,890,536.45/34,882.56
  6. Step 6: Final answer
    x = 27,575.11

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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.