Home / 37,279.17-51,445.17-20,512.17

Finding the Fourth Proportional to 37,279.17, 51,445.17 and 20,512.17

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Solution

The fourth proportional to 37,279.17, 51,445.17 and 20,512.17 is: 28,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,279.17 : 51,445.17 = 20,512.17 : x
  2. Step 2: Convert to fraction form
    37,279.17/51,445.17 = 20,512.17/x
  3. Step 3: Cross multiply
    37,279.17x = 51,445.17 × 20,512.17
  4. Step 4: Simplify right side
    37,279.17x = 1,055,252,072.72
  5. Step 5: Solve for x
    x = 1,055,252,072.72/37,279.17
  6. Step 6: Final answer
    x = 28,306.75

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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.