Home / 38,482.40-57,723.60-35,631.20

Finding the Fourth Proportional to 38,482.40, 57,723.60 and 35,631.20

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Solution

The fourth proportional to 38,482.40, 57,723.60 and 35,631.20 is: 53,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,482.40 : 57,723.60 = 35,631.20 : x
  2. Step 2: Convert to fraction form
    38,482.40/57,723.60 = 35,631.20/x
  3. Step 3: Cross multiply
    38,482.40x = 57,723.60 × 35,631.20
  4. Step 4: Simplify right side
    38,482.40x = 2,056,761,136.32
  5. Step 5: Solve for x
    x = 2,056,761,136.32/38,482.40
  6. Step 6: Final answer
    x = 53,446.80

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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.