Home / 65,399.30-98,098.98-30,319.82

Finding the Fourth Proportional to 65,399.30, 98,098.98 and 30,319.82

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Solution

The fourth proportional to 65,399.30, 98,098.98 and 30,319.82 is: 45,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,399.30 : 98,098.98 = 30,319.82 : x
  2. Step 2: Convert to fraction form
    65,399.30/98,098.98 = 30,319.82/x
  3. Step 3: Cross multiply
    65,399.30x = 98,098.98 × 30,319.82
  4. Step 4: Simplify right side
    65,399.30x = 2,974,343,415.78
  5. Step 5: Solve for x
    x = 2,974,343,415.78/65,399.30
  6. Step 6: Final answer
    x = 45,479.74

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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.