Home / 65,989.27-98,963.07-21,605.82

Finding the Fourth Proportional to 65,989.27, 98,963.07 and 21,605.82

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Solution

The fourth proportional to 65,989.27, 98,963.07 and 21,605.82 is: 32,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,989.27 : 98,963.07 = 21,605.82 : x
  2. Step 2: Convert to fraction form
    65,989.27/98,963.07 = 21,605.82/x
  3. Step 3: Cross multiply
    65,989.27x = 98,963.07 × 21,605.82
  4. Step 4: Simplify right side
    65,989.27x = 2,138,178,277.07
  5. Step 5: Solve for x
    x = 2,138,178,277.07/65,989.27
  6. Step 6: Final answer
    x = 32,401.91

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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.