Home / 38,402.64-57,554.28-19,667.16

Finding the Fourth Proportional to 38,402.64, 57,554.28 and 19,667.16

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Solution

The fourth proportional to 38,402.64, 57,554.28 and 19,667.16 is: 29,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.64 : 57,554.28 = 19,667.16 : x
  2. Step 2: Convert to fraction form
    38,402.64/57,554.28 = 19,667.16/x
  3. Step 3: Cross multiply
    38,402.64x = 57,554.28 × 19,667.16
  4. Step 4: Simplify right side
    38,402.64x = 1,131,929,233.44
  5. Step 5: Solve for x
    x = 1,131,929,233.44/38,402.64
  6. Step 6: Final answer
    x = 29,475.30

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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.