Home / 37,507.26-51,761.40-20,512.65

Finding the Fourth Proportional to 37,507.26, 51,761.40 and 20,512.65

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Solution

The fourth proportional to 37,507.26, 51,761.40 and 20,512.65 is: 28,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,507.26 : 51,761.40 = 20,512.65 : x
  2. Step 2: Convert to fraction form
    37,507.26/51,761.40 = 20,512.65/x
  3. Step 3: Cross multiply
    37,507.26x = 51,761.40 × 20,512.65
  4. Step 4: Simplify right side
    37,507.26x = 1,061,763,481.71
  5. Step 5: Solve for x
    x = 1,061,763,481.71/37,507.26
  6. Step 6: Final answer
    x = 28,308.21

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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.