Home / 65,439.75-98,161.64-18,055.66

Finding the Fourth Proportional to 65,439.75, 98,161.64 and 18,055.66

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Solution

The fourth proportional to 65,439.75, 98,161.64 and 18,055.66 is: 27,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,439.75 : 98,161.64 = 18,055.66 : x
  2. Step 2: Convert to fraction form
    65,439.75/98,161.64 = 18,055.66/x
  3. Step 3: Cross multiply
    65,439.75x = 98,161.64 × 18,055.66
  4. Step 4: Simplify right side
    65,439.75x = 1,772,372,996.62
  5. Step 5: Solve for x
    x = 1,772,372,996.62/65,439.75
  6. Step 6: Final answer
    x = 27,084.04

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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.