Home / 31,335.44-43,240.50-17,188.25

Finding the Fourth Proportional to 31,335.44, 43,240.50 and 17,188.25

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Solution

The fourth proportional to 31,335.44, 43,240.50 and 17,188.25 is: 23,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.44 : 43,240.50 = 17,188.25 : x
  2. Step 2: Convert to fraction form
    31,335.44/43,240.50 = 17,188.25/x
  3. Step 3: Cross multiply
    31,335.44x = 43,240.50 × 17,188.25
  4. Step 4: Simplify right side
    31,335.44x = 743,228,307.92
  5. Step 5: Solve for x
    x = 743,228,307.92/31,335.44
  6. Step 6: Final answer
    x = 23,718.46

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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.