Home / 34,882.40-48,135.20-19,775.36

Finding the Fourth Proportional to 34,882.40, 48,135.20 and 19,775.36

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Solution

The fourth proportional to 34,882.40, 48,135.20 and 19,775.36 is: 27,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,882.40 : 48,135.20 = 19,775.36 : x
  2. Step 2: Convert to fraction form
    34,882.40/48,135.20 = 19,775.36/x
  3. Step 3: Cross multiply
    34,882.40x = 48,135.20 × 19,775.36
  4. Step 4: Simplify right side
    34,882.40x = 951,890,908.67
  5. Step 5: Solve for x
    x = 951,890,908.67/34,882.40
  6. Step 6: Final answer
    x = 27,288.57

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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.