Home / 37,112.34-51,218.28-20,348.58

Finding the Fourth Proportional to 37,112.34, 51,218.28 and 20,348.58

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Solution

The fourth proportional to 37,112.34, 51,218.28 and 20,348.58 is: 28,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.34 : 51,218.28 = 20,348.58 : x
  2. Step 2: Convert to fraction form
    37,112.34/51,218.28 = 20,348.58/x
  3. Step 3: Cross multiply
    37,112.34x = 51,218.28 × 20,348.58
  4. Step 4: Simplify right side
    37,112.34x = 1,042,219,460.11
  5. Step 5: Solve for x
    x = 1,042,219,460.11/37,112.34
  6. Step 6: Final answer
    x = 28,082.83

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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.