Home / 65,529.04-98,293.29-18,781.96

Finding the Fourth Proportional to 65,529.04, 98,293.29 and 18,781.96

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Solution

The fourth proportional to 65,529.04, 98,293.29 and 18,781.96 is: 28,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,529.04 : 98,293.29 = 18,781.96 : x
  2. Step 2: Convert to fraction form
    65,529.04/98,293.29 = 18,781.96/x
  3. Step 3: Cross multiply
    65,529.04x = 98,293.29 × 18,781.96
  4. Step 4: Simplify right side
    65,529.04x = 1,846,140,641.05
  5. Step 5: Solve for x
    x = 1,846,140,641.05/65,529.04
  6. Step 6: Final answer
    x = 28,172.86

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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.