Home / 31,369.84-43,290.08-17,222.56

Finding the Fourth Proportional to 31,369.84, 43,290.08 and 17,222.56

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Solution

The fourth proportional to 31,369.84, 43,290.08 and 17,222.56 is: 23,766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369.84 : 43,290.08 = 17,222.56 : x
  2. Step 2: Convert to fraction form
    31,369.84/43,290.08 = 17,222.56/x
  3. Step 3: Cross multiply
    31,369.84x = 43,290.08 × 17,222.56
  4. Step 4: Simplify right side
    31,369.84x = 745,566,000.20
  5. Step 5: Solve for x
    x = 745,566,000.20/31,369.84
  6. Step 6: Final answer
    x = 23,766.97

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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.