Home / 38,475.96-57,675.66-18,479.90

Finding the Fourth Proportional to 38,475.96, 57,675.66 and 18,479.90

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Solution

The fourth proportional to 38,475.96, 57,675.66 and 18,479.90 is: 27,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.96 : 57,675.66 = 18,479.90 : x
  2. Step 2: Convert to fraction form
    38,475.96/57,675.66 = 18,479.90/x
  3. Step 3: Cross multiply
    38,475.96x = 57,675.66 × 18,479.90
  4. Step 4: Simplify right side
    38,475.96x = 1,065,840,140.86
  5. Step 5: Solve for x
    x = 1,065,840,140.86/38,475.96
  6. Step 6: Final answer
    x = 27,701.46

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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.