Home / 65,988.29-91,042.43-37,305.18

Finding the Fourth Proportional to 65,988.29, 91,042.43 and 37,305.18

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Solution

The fourth proportional to 65,988.29, 91,042.43 and 37,305.18 is: 51,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,988.29 : 91,042.43 = 37,305.18 : x
  2. Step 2: Convert to fraction form
    65,988.29/91,042.43 = 37,305.18/x
  3. Step 3: Cross multiply
    65,988.29x = 91,042.43 × 37,305.18
  4. Step 4: Simplify right side
    65,988.29x = 3,396,354,052.26
  5. Step 5: Solve for x
    x = 3,396,354,052.26/65,988.29
  6. Step 6: Final answer
    x = 51,469.05

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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.