Home / 37,520.57-51,778.49-20,753.57

Finding the Fourth Proportional to 37,520.57, 51,778.49 and 20,753.57

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Solution

The fourth proportional to 37,520.57, 51,778.49 and 20,753.57 is: 28,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,520.57 : 51,778.49 = 20,753.57 : x
  2. Step 2: Convert to fraction form
    37,520.57/51,778.49 = 20,753.57/x
  3. Step 3: Cross multiply
    37,520.57x = 51,778.49 × 20,753.57
  4. Step 4: Simplify right side
    37,520.57x = 1,074,588,154.05
  5. Step 5: Solve for x
    x = 1,074,588,154.05/37,520.57
  6. Step 6: Final answer
    x = 28,639.98

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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.