Home / 38,081.16-57,127.82-13,115.04

Finding the Fourth Proportional to 38,081.16, 57,127.82 and 13,115.04

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Solution

The fourth proportional to 38,081.16, 57,127.82 and 13,115.04 is: 19,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.16 : 57,127.82 = 13,115.04 : x
  2. Step 2: Convert to fraction form
    38,081.16/57,127.82 = 13,115.04/x
  3. Step 3: Cross multiply
    38,081.16x = 57,127.82 × 13,115.04
  4. Step 4: Simplify right side
    38,081.16x = 749,233,644.41
  5. Step 5: Solve for x
    x = 749,233,644.41/38,081.16
  6. Step 6: Final answer
    x = 19,674.65

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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.