Home / 38,295.81-57,469.67-13,335.72

Finding the Fourth Proportional to 38,295.81, 57,469.67 and 13,335.72

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Solution

The fourth proportional to 38,295.81, 57,469.67 and 13,335.72 is: 20,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,295.81 : 57,469.67 = 13,335.72 : x
  2. Step 2: Convert to fraction form
    38,295.81/57,469.67 = 13,335.72/x
  3. Step 3: Cross multiply
    38,295.81x = 57,469.67 × 13,335.72
  4. Step 4: Simplify right side
    38,295.81x = 766,399,360.93
  5. Step 5: Solve for x
    x = 766,399,360.93/38,295.81
  6. Step 6: Final answer
    x = 20,012.62

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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.