Home / 37,427.17-51,649.60-20,431.43

Finding the Fourth Proportional to 37,427.17, 51,649.60 and 20,431.43

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Solution

The fourth proportional to 37,427.17, 51,649.60 and 20,431.43 is: 28,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,427.17 : 51,649.60 = 20,431.43 : x
  2. Step 2: Convert to fraction form
    37,427.17/51,649.60 = 20,431.43/x
  3. Step 3: Cross multiply
    37,427.17x = 51,649.60 × 20,431.43
  4. Step 4: Simplify right side
    37,427.17x = 1,055,275,186.93
  5. Step 5: Solve for x
    x = 1,055,275,186.93/37,427.17
  6. Step 6: Final answer
    x = 28,195.43

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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.