Home / 37,639.29-51,942.23-20,872.29

Finding the Fourth Proportional to 37,639.29, 51,942.23 and 20,872.29

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Solution

The fourth proportional to 37,639.29, 51,942.23 and 20,872.29 is: 28,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,639.29 : 51,942.23 = 20,872.29 : x
  2. Step 2: Convert to fraction form
    37,639.29/51,942.23 = 20,872.29/x
  3. Step 3: Cross multiply
    37,639.29x = 51,942.23 × 20,872.29
  4. Step 4: Simplify right side
    37,639.29x = 1,084,153,183.45
  5. Step 5: Solve for x
    x = 1,084,153,183.45/37,639.29
  6. Step 6: Final answer
    x = 28,803.76

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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.