Home / 37,286.46-51,454.65-20,290.11

Finding the Fourth Proportional to 37,286.46, 51,454.65 and 20,290.11

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Solution

The fourth proportional to 37,286.46, 51,454.65 and 20,290.11 is: 27,999.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.46 : 51,454.65 = 20,290.11 : x
  2. Step 2: Convert to fraction form
    37,286.46/51,454.65 = 20,290.11/x
  3. Step 3: Cross multiply
    37,286.46x = 51,454.65 × 20,290.11
  4. Step 4: Simplify right side
    37,286.46x = 1,044,020,508.51
  5. Step 5: Solve for x
    x = 1,044,020,508.51/37,286.46
  6. Step 6: Final answer
    x = 27,999.99

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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.