Home / 37,403.78-51,616.22-20,408.03

Finding the Fourth Proportional to 37,403.78, 51,616.22 and 20,408.03

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Solution

The fourth proportional to 37,403.78, 51,616.22 and 20,408.03 is: 28,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,403.78 : 51,616.22 = 20,408.03 : x
  2. Step 2: Convert to fraction form
    37,403.78/51,616.22 = 20,408.03/x
  3. Step 3: Cross multiply
    37,403.78x = 51,616.22 × 20,408.03
  4. Step 4: Simplify right side
    37,403.78x = 1,053,385,006.13
  5. Step 5: Solve for x
    x = 1,053,385,006.13/37,403.78
  6. Step 6: Final answer
    x = 28,162.53

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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.