Home / 37,127.52-51,235.83-20,132.19

Finding the Fourth Proportional to 37,127.52, 51,235.83 and 20,132.19

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Solution

The fourth proportional to 37,127.52, 51,235.83 and 20,132.19 is: 27,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,127.52 : 51,235.83 = 20,132.19 : x
  2. Step 2: Convert to fraction form
    37,127.52/51,235.83 = 20,132.19/x
  3. Step 3: Cross multiply
    37,127.52x = 51,235.83 × 20,132.19
  4. Step 4: Simplify right side
    37,127.52x = 1,031,489,464.37
  5. Step 5: Solve for x
    x = 1,031,489,464.37/37,127.52
  6. Step 6: Final answer
    x = 27,782.34

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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.