Home / 49,282.20-68,006.25-28,061.28

Finding the Fourth Proportional to 49,282.20, 68,006.25 and 28,061.28

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Solution

The fourth proportional to 49,282.20, 68,006.25 and 28,061.28 is: 38,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,282.20 : 68,006.25 = 28,061.28 : x
  2. Step 2: Convert to fraction form
    49,282.20/68,006.25 = 28,061.28/x
  3. Step 3: Cross multiply
    49,282.20x = 68,006.25 × 28,061.28
  4. Step 4: Simplify right side
    49,282.20x = 1,908,342,423
  5. Step 5: Solve for x
    x = 1,908,342,423/49,282.20
  6. Step 6: Final answer
    x = 38,722.75

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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.