Home / 38,354.38-57,448.27-18,591.46

Finding the Fourth Proportional to 38,354.38, 57,448.27 and 18,591.46

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Solution

The fourth proportional to 38,354.38, 57,448.27 and 18,591.46 is: 27,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,354.38 : 57,448.27 = 18,591.46 : x
  2. Step 2: Convert to fraction form
    38,354.38/57,448.27 = 18,591.46/x
  3. Step 3: Cross multiply
    38,354.38x = 57,448.27 × 18,591.46
  4. Step 4: Simplify right side
    38,354.38x = 1,068,047,213.77
  5. Step 5: Solve for x
    x = 1,068,047,213.77/38,354.38
  6. Step 6: Final answer
    x = 27,846.81

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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.