Home / 48,287.28-66,639.20-36,329.20

Finding the Fourth Proportional to 48,287.28, 66,639.20 and 36,329.20

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Solution

The fourth proportional to 48,287.28, 66,639.20 and 36,329.20 is: 50,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,287.28 : 66,639.20 = 36,329.20 : x
  2. Step 2: Convert to fraction form
    48,287.28/66,639.20 = 36,329.20/x
  3. Step 3: Cross multiply
    48,287.28x = 66,639.20 × 36,329.20
  4. Step 4: Simplify right side
    48,287.28x = 2,420,948,824.64
  5. Step 5: Solve for x
    x = 2,420,948,824.64/48,287.28
  6. Step 6: Final answer
    x = 50,136.37

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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.