Home / 38,579.40-57,869.10-23,740.20

Finding the Fourth Proportional to 38,579.40, 57,869.10 and 23,740.20

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Solution

The fourth proportional to 38,579.40, 57,869.10 and 23,740.20 is: 35,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.40 : 57,869.10 = 23,740.20 : x
  2. Step 2: Convert to fraction form
    38,579.40/57,869.10 = 23,740.20/x
  3. Step 3: Cross multiply
    38,579.40x = 57,869.10 × 23,740.20
  4. Step 4: Simplify right side
    38,579.40x = 1,373,824,007.82
  5. Step 5: Solve for x
    x = 1,373,824,007.82/38,579.40
  6. Step 6: Final answer
    x = 35,610.30

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Similar ratio
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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.