Home / 65,591.46-98,386.56-21,217.23

Finding the Fourth Proportional to 65,591.46, 98,386.56 and 21,217.23

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Solution

The fourth proportional to 65,591.46, 98,386.56 and 21,217.23 is: 31,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,591.46 : 98,386.56 = 21,217.23 : x
  2. Step 2: Convert to fraction form
    65,591.46/98,386.56 = 21,217.23/x
  3. Step 3: Cross multiply
    65,591.46x = 98,386.56 × 21,217.23
  4. Step 4: Simplify right side
    65,591.46x = 2,087,490,272.43
  5. Step 5: Solve for x
    x = 2,087,490,272.43/65,591.46
  6. Step 6: Final answer
    x = 31,825.64

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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.