Home / 37,939.43-52,356.12-20,943.68

Finding the Fourth Proportional to 37,939.43, 52,356.12 and 20,943.68

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Solution

The fourth proportional to 37,939.43, 52,356.12 and 20,943.68 is: 28,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,939.43 : 52,356.12 = 20,943.68 : x
  2. Step 2: Convert to fraction form
    37,939.43/52,356.12 = 20,943.68/x
  3. Step 3: Cross multiply
    37,939.43x = 52,356.12 × 20,943.68
  4. Step 4: Simplify right side
    37,939.43x = 1,096,529,561.54
  5. Step 5: Solve for x
    x = 1,096,529,561.54/37,939.43
  6. Step 6: Final answer
    x = 28,902.11

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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.