Home / 37,129.87-51,239.49-20,134.22

Finding the Fourth Proportional to 37,129.87, 51,239.49 and 20,134.22

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Solution

The fourth proportional to 37,129.87, 51,239.49 and 20,134.22 is: 27,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129.87 : 51,239.49 = 20,134.22 : x
  2. Step 2: Convert to fraction form
    37,129.87/51,239.49 = 20,134.22/x
  3. Step 3: Cross multiply
    37,129.87x = 51,239.49 × 20,134.22
  4. Step 4: Simplify right side
    37,129.87x = 1,031,666,832.65
  5. Step 5: Solve for x
    x = 1,031,666,832.65/37,129.87
  6. Step 6: Final answer
    x = 27,785.36

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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.