Home / 65,419.22-98,126.76-18,672.10

Finding the Fourth Proportional to 65,419.22, 98,126.76 and 18,672.10

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Solution

The fourth proportional to 65,419.22, 98,126.76 and 18,672.10 is: 28,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,419.22 : 98,126.76 = 18,672.10 : x
  2. Step 2: Convert to fraction form
    65,419.22/98,126.76 = 18,672.10/x
  3. Step 3: Cross multiply
    65,419.22x = 98,126.76 × 18,672.10
  4. Step 4: Simplify right side
    65,419.22x = 1,832,232,675.40
  5. Step 5: Solve for x
    x = 1,832,232,675.40/65,419.22
  6. Step 6: Final answer
    x = 28,007.56

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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.