Home / 31,122.84-42,948.45-17,694.66

Finding the Fourth Proportional to 31,122.84, 42,948.45 and 17,694.66

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Solution

The fourth proportional to 31,122.84, 42,948.45 and 17,694.66 is: 24,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,122.84 : 42,948.45 = 17,694.66 : x
  2. Step 2: Convert to fraction form
    31,122.84/42,948.45 = 17,694.66/x
  3. Step 3: Cross multiply
    31,122.84x = 42,948.45 × 17,694.66
  4. Step 4: Simplify right side
    31,122.84x = 759,958,220.28
  5. Step 5: Solve for x
    x = 759,958,220.28/31,122.84
  6. Step 6: Final answer
    x = 24,418.02

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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.