Home / 37,141.83-51,255.29-20,145.76

Finding the Fourth Proportional to 37,141.83, 51,255.29 and 20,145.76

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Solution

The fourth proportional to 37,141.83, 51,255.29 and 20,145.76 is: 27,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,141.83 : 51,255.29 = 20,145.76 : x
  2. Step 2: Convert to fraction form
    37,141.83/51,255.29 = 20,145.76/x
  3. Step 3: Cross multiply
    37,141.83x = 51,255.29 × 20,145.76
  4. Step 4: Simplify right side
    37,141.83x = 1,032,576,693.30
  5. Step 5: Solve for x
    x = 1,032,576,693.30/37,141.83
  6. Step 6: Final answer
    x = 27,800.91

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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.