Home / 65,712.30-98,568.45-18,327.30

Finding the Fourth Proportional to 65,712.30, 98,568.45 and 18,327.30

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Solution

The fourth proportional to 65,712.30, 98,568.45 and 18,327.30 is: 27,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,712.30 : 98,568.45 = 18,327.30 : x
  2. Step 2: Convert to fraction form
    65,712.30/98,568.45 = 18,327.30/x
  3. Step 3: Cross multiply
    65,712.30x = 98,568.45 × 18,327.30
  4. Step 4: Simplify right side
    65,712.30x = 1,806,493,553.69
  5. Step 5: Solve for x
    x = 1,806,493,553.69/65,712.30
  6. Step 6: Final answer
    x = 27,490.95

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1.5x scale

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.