Home / 55,443.56-76,512.10-29,949.92

Finding the Fourth Proportional to 55,443.56, 76,512.10 and 29,949.92

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Solution

The fourth proportional to 55,443.56, 76,512.10 and 29,949.92 is: 41,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,443.56 : 76,512.10 = 29,949.92 : x
  2. Step 2: Convert to fraction form
    55,443.56/76,512.10 = 29,949.92/x
  3. Step 3: Cross multiply
    55,443.56x = 76,512.10 × 29,949.92
  4. Step 4: Simplify right side
    55,443.56x = 2,291,531,274.03
  5. Step 5: Solve for x
    x = 2,291,531,274.03/55,443.56
  6. Step 6: Final answer
    x = 41,330.88

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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.