Home / 65,491.11-98,244.96-21,116.88

Finding the Fourth Proportional to 65,491.11, 98,244.96 and 21,116.88

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Solution

The fourth proportional to 65,491.11, 98,244.96 and 21,116.88 is: 31,677.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,491.11 : 98,244.96 = 21,116.88 : x
  2. Step 2: Convert to fraction form
    65,491.11/98,244.96 = 21,116.88/x
  3. Step 3: Cross multiply
    65,491.11x = 98,244.96 × 21,116.88
  4. Step 4: Simplify right side
    65,491.11x = 2,074,627,030.92
  5. Step 5: Solve for x
    x = 2,074,627,030.92/65,491.11
  6. Step 6: Final answer
    x = 31,677.99

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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.