Home / 38,107.19-57,162.15-13,148.05

Finding the Fourth Proportional to 38,107.19, 57,162.15 and 13,148.05

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Solution

The fourth proportional to 38,107.19, 57,162.15 and 13,148.05 is: 19,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,107.19 : 57,162.15 = 13,148.05 : x
  2. Step 2: Convert to fraction form
    38,107.19/57,162.15 = 13,148.05/x
  3. Step 3: Cross multiply
    38,107.19x = 57,162.15 × 13,148.05
  4. Step 4: Simplify right side
    38,107.19x = 751,570,806.31
  5. Step 5: Solve for x
    x = 751,570,806.31/38,107.19
  6. Step 6: Final answer
    x = 19,722.55

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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.