Home / 31,462.75-43,418.60-17,315.29

Finding the Fourth Proportional to 31,462.75, 43,418.60 and 17,315.29

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Solution

The fourth proportional to 31,462.75, 43,418.60 and 17,315.29 is: 23,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,462.75 : 43,418.60 = 17,315.29 : x
  2. Step 2: Convert to fraction form
    31,462.75/43,418.60 = 17,315.29/x
  3. Step 3: Cross multiply
    31,462.75x = 43,418.60 × 17,315.29
  4. Step 4: Simplify right side
    31,462.75x = 751,805,650.39
  5. Step 5: Solve for x
    x = 751,805,650.39/31,462.75
  6. Step 6: Final answer
    x = 23,895.10

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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.