Home / 65,617.91-98,442.53-21,244.70

Finding the Fourth Proportional to 65,617.91, 98,442.53 and 21,244.70

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Solution

The fourth proportional to 65,617.91, 98,442.53 and 21,244.70 is: 31,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,617.91 : 98,442.53 = 21,244.70 : x
  2. Step 2: Convert to fraction form
    65,617.91/98,442.53 = 21,244.70/x
  3. Step 3: Cross multiply
    65,617.91x = 98,442.53 × 21,244.70
  4. Step 4: Simplify right side
    65,617.91x = 2,091,382,316.31
  5. Step 5: Solve for x
    x = 2,091,382,316.31/65,617.91
  6. Step 6: Final answer
    x = 31,872.13

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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.