Home / 31,403.09-43,335.92-17,255.63

Finding the Fourth Proportional to 31,403.09, 43,335.92 and 17,255.63

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Solution

The fourth proportional to 31,403.09, 43,335.92 and 17,255.63 is: 23,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.09 : 43,335.92 = 17,255.63 : x
  2. Step 2: Convert to fraction form
    31,403.09/43,335.92 = 17,255.63/x
  3. Step 3: Cross multiply
    31,403.09x = 43,335.92 × 17,255.63
  4. Step 4: Simplify right side
    31,403.09x = 747,788,298.27
  5. Step 5: Solve for x
    x = 747,788,298.27/31,403.09
  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.