Home / 65,376.74-98,065.12-18,629.76

Finding the Fourth Proportional to 65,376.74, 98,065.12 and 18,629.76

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Solution

The fourth proportional to 65,376.74, 98,065.12 and 18,629.76 is: 27,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,376.74 : 98,065.12 = 18,629.76 : x
  2. Step 2: Convert to fraction form
    65,376.74/98,065.12 = 18,629.76/x
  3. Step 3: Cross multiply
    65,376.74x = 98,065.12 × 18,629.76
  4. Step 4: Simplify right side
    65,376.74x = 1,826,929,649.97
  5. Step 5: Solve for x
    x = 1,826,929,649.97/65,376.74
  6. Step 6: Final answer
    x = 27,944.64

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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.