Home / 31,266.85-43,148.25-17,119.69

Finding the Fourth Proportional to 31,266.85, 43,148.25 and 17,119.69

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Solution

The fourth proportional to 31,266.85, 43,148.25 and 17,119.69 is: 23,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.85 : 43,148.25 = 17,119.69 : x
  2. Step 2: Convert to fraction form
    31,266.85/43,148.25 = 17,119.69/x
  3. Step 3: Cross multiply
    31,266.85x = 43,148.25 × 17,119.69
  4. Step 4: Simplify right side
    31,266.85x = 738,684,664.04
  5. Step 5: Solve for x
    x = 738,684,664.04/31,266.85
  6. Step 6: Final answer
    x = 23,625.17

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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.