Home / 65,566.20-98,325.30-21,204.60

Finding the Fourth Proportional to 65,566.20, 98,325.30 and 21,204.60

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Solution

The fourth proportional to 65,566.20, 98,325.30 and 21,204.60 is: 31,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,566.20 : 98,325.30 = 21,204.60 : x
  2. Step 2: Convert to fraction form
    65,566.20/98,325.30 = 21,204.60/x
  3. Step 3: Cross multiply
    65,566.20x = 98,325.30 × 21,204.60
  4. Step 4: Simplify right side
    65,566.20x = 2,084,948,656.38
  5. Step 5: Solve for x
    x = 2,084,948,656.38/65,566.20
  6. Step 6: Final answer
    x = 31,799.14

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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.