Home / 38,076.64-57,121.08-13,110.55

Finding the Fourth Proportional to 38,076.64, 57,121.08 and 13,110.55

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Solution

The fourth proportional to 38,076.64, 57,121.08 and 13,110.55 is: 19,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.64 : 57,121.08 = 13,110.55 : x
  2. Step 2: Convert to fraction form
    38,076.64/57,121.08 = 13,110.55/x
  3. Step 3: Cross multiply
    38,076.64x = 57,121.08 × 13,110.55
  4. Step 4: Simplify right side
    38,076.64x = 748,888,775.39
  5. Step 5: Solve for x
    x = 748,888,775.39/38,076.64
  6. Step 6: Final answer
    x = 19,667.93

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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.