Home / 65,619.66-98,445.17-21,246.46

Finding the Fourth Proportional to 65,619.66, 98,445.17 and 21,246.46

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Solution

The fourth proportional to 65,619.66, 98,445.17 and 21,246.46 is: 31,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,619.66 : 98,445.17 = 21,246.46 : x
  2. Step 2: Convert to fraction form
    65,619.66/98,445.17 = 21,246.46/x
  3. Step 3: Cross multiply
    65,619.66x = 98,445.17 × 21,246.46
  4. Step 4: Simplify right side
    65,619.66x = 2,091,611,366.60
  5. Step 5: Solve for x
    x = 2,091,611,366.60/65,619.66
  6. Step 6: Final answer
    x = 31,874.77

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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.