Home / 37,228.72-51,375.80-20,462.80

Finding the Fourth Proportional to 37,228.72, 51,375.80 and 20,462.80

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Solution

The fourth proportional to 37,228.72, 51,375.80 and 20,462.80 is: 28,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,228.72 : 51,375.80 = 20,462.80 : x
  2. Step 2: Convert to fraction form
    37,228.72/51,375.80 = 20,462.80/x
  3. Step 3: Cross multiply
    37,228.72x = 51,375.80 × 20,462.80
  4. Step 4: Simplify right side
    37,228.72x = 1,051,292,720.24
  5. Step 5: Solve for x
    x = 1,051,292,720.24/37,228.72
  6. Step 6: Final answer
    x = 28,238.76

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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.