Home / 65,869.13-98,819.42-21,495.96

Finding the Fourth Proportional to 65,869.13, 98,819.42 and 21,495.96

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Solution

The fourth proportional to 65,869.13, 98,819.42 and 21,495.96 is: 32,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869.13 : 98,819.42 = 21,495.96 : x
  2. Step 2: Convert to fraction form
    65,869.13/98,819.42 = 21,495.96/x
  3. Step 3: Cross multiply
    65,869.13x = 98,819.42 × 21,495.96
  4. Step 4: Simplify right side
    65,869.13x = 2,124,218,192.06
  5. Step 5: Solve for x
    x = 2,124,218,192.06/65,869.13
  6. Step 6: Final answer
    x = 32,249.07

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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.