Home / 65,988.32-98,963.04-18,600.24

Finding the Fourth Proportional to 65,988.32, 98,963.04 and 18,600.24

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Solution

The fourth proportional to 65,988.32, 98,963.04 and 18,600.24 is: 27,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,988.32 : 98,963.04 = 18,600.24 : x
  2. Step 2: Convert to fraction form
    65,988.32/98,963.04 = 18,600.24/x
  3. Step 3: Cross multiply
    65,988.32x = 98,963.04 × 18,600.24
  4. Step 4: Simplify right side
    65,988.32x = 1,840,736,295.13
  5. Step 5: Solve for x
    x = 1,840,736,295.13/65,988.32
  6. Step 6: Final answer
    x = 27,894.88

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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.