Home / 37,408.75-51,625.16-20,642.83

Finding the Fourth Proportional to 37,408.75, 51,625.16 and 20,642.83

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Solution

The fourth proportional to 37,408.75, 51,625.16 and 20,642.83 is: 28,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,408.75 : 51,625.16 = 20,642.83 : x
  2. Step 2: Convert to fraction form
    37,408.75/51,625.16 = 20,642.83/x
  3. Step 3: Cross multiply
    37,408.75x = 51,625.16 × 20,642.83
  4. Step 4: Simplify right side
    37,408.75x = 1,065,689,401.60
  5. Step 5: Solve for x
    x = 1,065,689,401.60/37,408.75
  6. Step 6: Final answer
    x = 28,487.70

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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.