Home / 37,034.49-51,107.56-20,905.19

Finding the Fourth Proportional to 37,034.49, 51,107.56 and 20,905.19

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Solution

The fourth proportional to 37,034.49, 51,107.56 and 20,905.19 is: 28,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,034.49 : 51,107.56 = 20,905.19 : x
  2. Step 2: Convert to fraction form
    37,034.49/51,107.56 = 20,905.19/x
  3. Step 3: Cross multiply
    37,034.49x = 51,107.56 × 20,905.19
  4. Step 4: Simplify right side
    37,034.49x = 1,068,413,199.97
  5. Step 5: Solve for x
    x = 1,068,413,199.97/37,034.49
  6. Step 6: Final answer
    x = 28,849.14

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Double scale
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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.