Home / 38,076.16-57,120.32-13,110.04

Finding the Fourth Proportional to 38,076.16, 57,120.32 and 13,110.04

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Solution

The fourth proportional to 38,076.16, 57,120.32 and 13,110.04 is: 19,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.16 : 57,120.32 = 13,110.04 : x
  2. Step 2: Convert to fraction form
    38,076.16/57,120.32 = 13,110.04/x
  3. Step 3: Cross multiply
    38,076.16x = 57,120.32 × 13,110.04
  4. Step 4: Simplify right side
    38,076.16x = 748,849,680.01
  5. Step 5: Solve for x
    x = 748,849,680.01/38,076.16
  6. Step 6: Final answer
    x = 19,667.15

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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.