Home / 37,042.68-51,119.22-21,936.18

Finding the Fourth Proportional to 37,042.68, 51,119.22 and 21,936.18

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Solution

The fourth proportional to 37,042.68, 51,119.22 and 21,936.18 is: 30,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,042.68 : 51,119.22 = 21,936.18 : x
  2. Step 2: Convert to fraction form
    37,042.68/51,119.22 = 21,936.18/x
  3. Step 3: Cross multiply
    37,042.68x = 51,119.22 × 21,936.18
  4. Step 4: Simplify right side
    37,042.68x = 1,121,360,411.38
  5. Step 5: Solve for x
    x = 1,121,360,411.38/37,042.68
  6. Step 6: Final answer
    x = 30,272.12

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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.