Home / 65,690.24-90,659.76-37,391.36

Finding the Fourth Proportional to 65,690.24, 90,659.76 and 37,391.36

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Solution

The fourth proportional to 65,690.24, 90,659.76 and 37,391.36 is: 51,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,690.24 : 90,659.76 = 37,391.36 : x
  2. Step 2: Convert to fraction form
    65,690.24/90,659.76 = 37,391.36/x
  3. Step 3: Cross multiply
    65,690.24x = 90,659.76 × 37,391.36
  4. Step 4: Simplify right side
    65,690.24x = 3,389,891,723.67
  5. Step 5: Solve for x
    x = 3,389,891,723.67/65,690.24
  6. Step 6: Final answer
    x = 51,604.19

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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.