Home / 31,266.95-43,148.39-17,119.80

Finding the Fourth Proportional to 31,266.95, 43,148.39 and 17,119.80

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Solution

The fourth proportional to 31,266.95, 43,148.39 and 17,119.80 is: 23,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.95 : 43,148.39 = 17,119.80 : x
  2. Step 2: Convert to fraction form
    31,266.95/43,148.39 = 17,119.80/x
  3. Step 3: Cross multiply
    31,266.95x = 43,148.39 × 17,119.80
  4. Step 4: Simplify right side
    31,266.95x = 738,691,721.52
  5. Step 5: Solve for x
    x = 738,691,721.52/31,266.95
  6. Step 6: Final answer
    x = 23,625.32

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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.