Home / 65,989.29-91,043.80-37,306.18

Finding the Fourth Proportional to 65,989.29, 91,043.80 and 37,306.18

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Solution

The fourth proportional to 65,989.29, 91,043.80 and 37,306.18 is: 51,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,989.29 : 91,043.80 = 37,306.18 : x
  2. Step 2: Convert to fraction form
    65,989.29/91,043.80 = 37,306.18/x
  3. Step 3: Cross multiply
    65,989.29x = 91,043.80 × 37,306.18
  4. Step 4: Simplify right side
    65,989.29x = 3,396,496,390.68
  5. Step 5: Solve for x
    x = 3,396,496,390.68/65,989.29
  6. Step 6: Final answer
    x = 51,470.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.