Home / 38,971.76-58,476.84-18,196.72

Finding the Fourth Proportional to 38,971.76, 58,476.84 and 18,196.72

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Solution

The fourth proportional to 38,971.76, 58,476.84 and 18,196.72 is: 27,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,971.76 : 58,476.84 = 18,196.72 : x
  2. Step 2: Convert to fraction form
    38,971.76/58,476.84 = 18,196.72/x
  3. Step 3: Cross multiply
    38,971.76x = 58,476.84 × 18,196.72
  4. Step 4: Simplify right side
    38,971.76x = 1,064,086,683.96
  5. Step 5: Solve for x
    x = 1,064,086,683.96/38,971.76
  6. Step 6: Final answer
    x = 27,304.04

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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.