Home / 65,929.20-98,824.08-21,544.05

Finding the Fourth Proportional to 65,929.20, 98,824.08 and 21,544.05

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Solution

The fourth proportional to 65,929.20, 98,824.08 and 21,544.05 is: 32,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,929.20 : 98,824.08 = 21,544.05 : x
  2. Step 2: Convert to fraction form
    65,929.20/98,824.08 = 21,544.05/x
  3. Step 3: Cross multiply
    65,929.20x = 98,824.08 × 21,544.05
  4. Step 4: Simplify right side
    65,929.20x = 2,129,070,920.72
  5. Step 5: Solve for x
    x = 2,129,070,920.72/65,929.20
  6. Step 6: Final answer
    x = 32,293.29

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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.