Home / 45,246.87-67,882.46-19,948.55

Finding the Fourth Proportional to 45,246.87, 67,882.46 and 19,948.55

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Solution

The fourth proportional to 45,246.87, 67,882.46 and 19,948.55 is: 29,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,246.87 : 67,882.46 = 19,948.55 : x
  2. Step 2: Convert to fraction form
    45,246.87/67,882.46 = 19,948.55/x
  3. Step 3: Cross multiply
    45,246.87x = 67,882.46 × 19,948.55
  4. Step 4: Simplify right side
    45,246.87x = 1,354,156,208.28
  5. Step 5: Solve for x
    x = 1,354,156,208.28/45,246.87
  6. Step 6: Final answer
    x = 29,928.17

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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.