Home / 65,715.10-98,561.85-18,333.43

Finding the Fourth Proportional to 65,715.10, 98,561.85 and 18,333.43

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Solution

The fourth proportional to 65,715.10, 98,561.85 and 18,333.43 is: 27,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,715.10 : 98,561.85 = 18,333.43 : x
  2. Step 2: Convert to fraction form
    65,715.10/98,561.85 = 18,333.43/x
  3. Step 3: Cross multiply
    65,715.10x = 98,561.85 × 18,333.43
  4. Step 4: Simplify right side
    65,715.10x = 1,806,976,777.65
  5. Step 5: Solve for x
    x = 1,806,976,777.65/65,715.10
  6. Step 6: Final answer
    x = 27,497.13

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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.