Home / 38,297.86-57,448.33-13,340.43

Finding the Fourth Proportional to 38,297.86, 57,448.33 and 13,340.43

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Solution

The fourth proportional to 38,297.86, 57,448.33 and 13,340.43 is: 20,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,297.86 : 57,448.33 = 13,340.43 : x
  2. Step 2: Convert to fraction form
    38,297.86/57,448.33 = 13,340.43/x
  3. Step 3: Cross multiply
    38,297.86x = 57,448.33 × 13,340.43
  4. Step 4: Simplify right side
    38,297.86x = 766,385,520.53
  5. Step 5: Solve for x
    x = 766,385,520.53/38,297.86
  6. Step 6: Final answer
    x = 20,011.18

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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.