Home / 31,344.79-43,218.77-25,658.59

Finding the Fourth Proportional to 31,344.79, 43,218.77 and 25,658.59

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Solution

The fourth proportional to 31,344.79, 43,218.77 and 25,658.59 is: 35,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.79 : 43,218.77 = 25,658.59 : x
  2. Step 2: Convert to fraction form
    31,344.79/43,218.77 = 25,658.59/x
  3. Step 3: Cross multiply
    31,344.79x = 43,218.77 × 25,658.59
  4. Step 4: Simplify right side
    31,344.79x = 1,108,932,355.35
  5. Step 5: Solve for x
    x = 1,108,932,355.35/31,344.79
  6. Step 6: Final answer
    x = 35,378.53

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1.5x scale

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.