Home / 65,773.04-98,660.77-21,399.62

Finding the Fourth Proportional to 65,773.04, 98,660.77 and 21,399.62

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Solution

The fourth proportional to 65,773.04, 98,660.77 and 21,399.62 is: 32,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,773.04 : 98,660.77 = 21,399.62 : x
  2. Step 2: Convert to fraction form
    65,773.04/98,660.77 = 21,399.62/x
  3. Step 3: Cross multiply
    65,773.04x = 98,660.77 × 21,399.62
  4. Step 4: Simplify right side
    65,773.04x = 2,111,302,440.10
  5. Step 5: Solve for x
    x = 2,111,302,440.10/65,773.04
  6. Step 6: Final answer
    x = 32,099.82

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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.