Home / 65,710.85-98,555.49-18,329.17

Finding the Fourth Proportional to 65,710.85, 98,555.49 and 18,329.17

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Solution

The fourth proportional to 65,710.85, 98,555.49 and 18,329.17 is: 27,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,710.85 : 98,555.49 = 18,329.17 : x
  2. Step 2: Convert to fraction form
    65,710.85/98,555.49 = 18,329.17/x
  3. Step 3: Cross multiply
    65,710.85x = 98,555.49 × 18,329.17
  4. Step 4: Simplify right side
    65,710.85x = 1,806,439,837.87
  5. Step 5: Solve for x
    x = 1,806,439,837.87/65,710.85
  6. Step 6: Final answer
    x = 27,490.74

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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.