Home / 49,334.80-74,002.20-21,632.80

Finding the Fourth Proportional to 49,334.80, 74,002.20 and 21,632.80

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Solution

The fourth proportional to 49,334.80, 74,002.20 and 21,632.80 is: 32,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,334.80 : 74,002.20 = 21,632.80 : x
  2. Step 2: Convert to fraction form
    49,334.80/74,002.20 = 21,632.80/x
  3. Step 3: Cross multiply
    49,334.80x = 74,002.20 × 21,632.80
  4. Step 4: Simplify right side
    49,334.80x = 1,600,874,792.16
  5. Step 5: Solve for x
    x = 1,600,874,792.16/49,334.80
  6. Step 6: Final answer
    x = 32,449.20

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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.