Home / 38,402.93-57,630.33-13,443.18

Finding the Fourth Proportional to 38,402.93, 57,630.33 and 13,443.18

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Solution

The fourth proportional to 38,402.93, 57,630.33 and 13,443.18 is: 20,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.93 : 57,630.33 = 13,443.18 : x
  2. Step 2: Convert to fraction form
    38,402.93/57,630.33 = 13,443.18/x
  3. Step 3: Cross multiply
    38,402.93x = 57,630.33 × 13,443.18
  4. Step 4: Simplify right side
    38,402.93x = 774,734,899.65
  5. Step 5: Solve for x
    x = 774,734,899.65/38,402.93
  6. Step 6: Final answer
    x = 20,173.85

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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.