Home / 38,159.08-57,220.14-11,863.96

Finding the Fourth Proportional to 38,159.08, 57,220.14 and 11,863.96

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Solution

The fourth proportional to 38,159.08, 57,220.14 and 11,863.96 is: 17,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,159.08 : 57,220.14 = 11,863.96 : x
  2. Step 2: Convert to fraction form
    38,159.08/57,220.14 = 11,863.96/x
  3. Step 3: Cross multiply
    38,159.08x = 57,220.14 × 11,863.96
  4. Step 4: Simplify right side
    38,159.08x = 678,857,452.15
  5. Step 5: Solve for x
    x = 678,857,452.15/38,159.08
  6. Step 6: Final answer
    x = 17,790.19

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1.5x scale

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.