Home / 31,377.84-43,301.66-17,948.27

Finding the Fourth Proportional to 31,377.84, 43,301.66 and 17,948.27

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Solution

The fourth proportional to 31,377.84, 43,301.66 and 17,948.27 is: 24,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.84 : 43,301.66 = 17,948.27 : x
  2. Step 2: Convert to fraction form
    31,377.84/43,301.66 = 17,948.27/x
  3. Step 3: Cross multiply
    31,377.84x = 43,301.66 × 17,948.27
  4. Step 4: Simplify right side
    31,377.84x = 777,189,578.88
  5. Step 5: Solve for x
    x = 777,189,578.88/31,377.84
  6. Step 6: Final answer
    x = 24,768.74

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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.