Home / 31,403.15-43,335.84-17,255.69

Finding the Fourth Proportional to 31,403.15, 43,335.84 and 17,255.69

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Solution

The fourth proportional to 31,403.15, 43,335.84 and 17,255.69 is: 23,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.15 : 43,335.84 = 17,255.69 : x
  2. Step 2: Convert to fraction form
    31,403.15/43,335.84 = 17,255.69/x
  3. Step 3: Cross multiply
    31,403.15x = 43,335.84 × 17,255.69
  4. Step 4: Simplify right side
    31,403.15x = 747,789,820.93
  5. Step 5: Solve for x
    x = 747,789,820.93/31,403.15
  6. Step 6: Final answer
    x = 23,812.57

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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.