Home / 37,122.18-55,712.43-20,493.69

Finding the Fourth Proportional to 37,122.18, 55,712.43 and 20,493.69

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Solution

The fourth proportional to 37,122.18, 55,712.43 and 20,493.69 is: 30,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122.18 : 55,712.43 = 20,493.69 : x
  2. Step 2: Convert to fraction form
    37,122.18/55,712.43 = 20,493.69/x
  3. Step 3: Cross multiply
    37,122.18x = 55,712.43 × 20,493.69
  4. Step 4: Simplify right side
    37,122.18x = 1,141,753,269.57
  5. Step 5: Solve for x
    x = 1,141,753,269.57/37,122.18
  6. Step 6: Final answer
    x = 30,756.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.