Home / 35,332.23-48,759.66-20,229.78

Finding the Fourth Proportional to 35,332.23, 48,759.66 and 20,229.78

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Solution

The fourth proportional to 35,332.23, 48,759.66 and 20,229.78 is: 27,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,332.23 : 48,759.66 = 20,229.78 : x
  2. Step 2: Convert to fraction form
    35,332.23/48,759.66 = 20,229.78/x
  3. Step 3: Cross multiply
    35,332.23x = 48,759.66 × 20,229.78
  4. Step 4: Simplify right side
    35,332.23x = 986,397,194.67
  5. Step 5: Solve for x
    x = 986,397,194.67/35,332.23
  6. Step 6: Final answer
    x = 27,917.77

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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.