Home / 65,727.53-98,607.92-18,342.61

Finding the Fourth Proportional to 65,727.53, 98,607.92 and 18,342.61

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Solution

The fourth proportional to 65,727.53, 98,607.92 and 18,342.61 is: 27,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,727.53 : 98,607.92 = 18,342.61 : x
  2. Step 2: Convert to fraction form
    65,727.53/98,607.92 = 18,342.61/x
  3. Step 3: Cross multiply
    65,727.53x = 98,607.92 × 18,342.61
  4. Step 4: Simplify right side
    65,727.53x = 1,808,726,619.47
  5. Step 5: Solve for x
    x = 1,808,726,619.47/65,727.53
  6. Step 6: Final answer
    x = 27,518.56

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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.