Home / 65,154.26-97,731.78-18,407.54

Finding the Fourth Proportional to 65,154.26, 97,731.78 and 18,407.54

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Solution

The fourth proportional to 65,154.26, 97,731.78 and 18,407.54 is: 27,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,154.26 : 97,731.78 = 18,407.54 : x
  2. Step 2: Convert to fraction form
    65,154.26/97,731.78 = 18,407.54/x
  3. Step 3: Cross multiply
    65,154.26x = 97,731.78 × 18,407.54
  4. Step 4: Simplify right side
    65,154.26x = 1,799,001,649.62
  5. Step 5: Solve for x
    x = 1,799,001,649.62/65,154.26
  6. Step 6: Final answer
    x = 27,611.42

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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.