Home / 37,299.80-51,478.12-20,949.71

Finding the Fourth Proportional to 37,299.80, 51,478.12 and 20,949.71

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Solution

The fourth proportional to 37,299.80, 51,478.12 and 20,949.71 is: 28,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,299.80 : 51,478.12 = 20,949.71 : x
  2. Step 2: Convert to fraction form
    37,299.80/51,478.12 = 20,949.71/x
  3. Step 3: Cross multiply
    37,299.80x = 51,478.12 × 20,949.71
  4. Step 4: Simplify right side
    37,299.80x = 1,078,451,454.14
  5. Step 5: Solve for x
    x = 1,078,451,454.14/37,299.80
  6. Step 6: Final answer
    x = 28,913.06

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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.