Home / 65,844.31-98,782.18-21,471.11

Finding the Fourth Proportional to 65,844.31, 98,782.18 and 21,471.11

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Solution

The fourth proportional to 65,844.31, 98,782.18 and 21,471.11 is: 32,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,844.31 : 98,782.18 = 21,471.11 : x
  2. Step 2: Convert to fraction form
    65,844.31/98,782.18 = 21,471.11/x
  3. Step 3: Cross multiply
    65,844.31x = 98,782.18 × 21,471.11
  4. Step 4: Simplify right side
    65,844.31x = 2,120,963,246.10
  5. Step 5: Solve for x
    x = 2,120,963,246.10/65,844.31
  6. Step 6: Final answer
    x = 32,211.79

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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.