Home / 49,543.80-74,270.20-21,446.16

Finding the Fourth Proportional to 49,543.80, 74,270.20 and 21,446.16

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Solution

The fourth proportional to 49,543.80, 74,270.20 and 21,446.16 is: 32,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,543.80 : 74,270.20 = 21,446.16 : x
  2. Step 2: Convert to fraction form
    49,543.80/74,270.20 = 21,446.16/x
  3. Step 3: Cross multiply
    49,543.80x = 74,270.20 × 21,446.16
  4. Step 4: Simplify right side
    49,543.80x = 1,592,810,592.43
  5. Step 5: Solve for x
    x = 1,592,810,592.43/49,543.80
  6. Step 6: Final answer
    x = 32,149.54

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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.