Home / 65,613.29-98,271.97-30,479.01

Finding the Fourth Proportional to 65,613.29, 98,271.97 and 30,479.01

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Solution

The fourth proportional to 65,613.29, 98,271.97 and 30,479.01 is: 45,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,613.29 : 98,271.97 = 30,479.01 : x
  2. Step 2: Convert to fraction form
    65,613.29/98,271.97 = 30,479.01/x
  3. Step 3: Cross multiply
    65,613.29x = 98,271.97 × 30,479.01
  4. Step 4: Simplify right side
    65,613.29x = 2,995,232,203.95
  5. Step 5: Solve for x
    x = 2,995,232,203.95/65,613.29
  6. Step 6: Final answer
    x = 45,649.78

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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.