Home / 31,922.28-44,040.74-18,488.62

Finding the Fourth Proportional to 31,922.28, 44,040.74 and 18,488.62

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Solution

The fourth proportional to 31,922.28, 44,040.74 and 18,488.62 is: 25,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.28 : 44,040.74 = 18,488.62 : x
  2. Step 2: Convert to fraction form
    31,922.28/44,040.74 = 18,488.62/x
  3. Step 3: Cross multiply
    31,922.28x = 44,040.74 × 18,488.62
  4. Step 4: Simplify right side
    31,922.28x = 814,252,506.38
  5. Step 5: Solve for x
    x = 814,252,506.38/31,922.28
  6. Step 6: Final answer
    x = 25,507.34

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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.