Home / 65,452.16-98,175.84-21,081.28

Finding the Fourth Proportional to 65,452.16, 98,175.84 and 21,081.28

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Solution

The fourth proportional to 65,452.16, 98,175.84 and 21,081.28 is: 31,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,452.16 : 98,175.84 = 21,081.28 : x
  2. Step 2: Convert to fraction form
    65,452.16/98,175.84 = 21,081.28/x
  3. Step 3: Cross multiply
    65,452.16x = 98,175.84 × 21,081.28
  4. Step 4: Simplify right side
    65,452.16x = 2,069,672,372.28
  5. Step 5: Solve for x
    x = 2,069,672,372.28/65,452.16
  6. Step 6: Final answer
    x = 31,621.15

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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.