Home / 31,474.38-43,448.25-22,506.30

Finding the Fourth Proportional to 31,474.38, 43,448.25 and 22,506.30

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Solution

The fourth proportional to 31,474.38, 43,448.25 and 22,506.30 is: 31,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.38 : 43,448.25 = 22,506.30 : x
  2. Step 2: Convert to fraction form
    31,474.38/43,448.25 = 22,506.30/x
  3. Step 3: Cross multiply
    31,474.38x = 43,448.25 × 22,506.30
  4. Step 4: Simplify right side
    31,474.38x = 977,859,348.98
  5. Step 5: Solve for x
    x = 977,859,348.98/31,474.38
  6. Step 6: Final answer
    x = 31,068.42

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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.