Home / 57,395.12-86,086.20-19,948.88

Finding the Fourth Proportional to 57,395.12, 86,086.20 and 19,948.88

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Solution

The fourth proportional to 57,395.12, 86,086.20 and 19,948.88 is: 29,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,395.12 : 86,086.20 = 19,948.88 : x
  2. Step 2: Convert to fraction form
    57,395.12/86,086.20 = 19,948.88/x
  3. Step 3: Cross multiply
    57,395.12x = 86,086.20 × 19,948.88
  4. Step 4: Simplify right side
    57,395.12x = 1,717,323,273.46
  5. Step 5: Solve for x
    x = 1,717,323,273.46/57,395.12
  6. Step 6: Final answer
    x = 29,921.07

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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.