Home / 37,238.28-51,388.10-20,470.92

Finding the Fourth Proportional to 37,238.28, 51,388.10 and 20,470.92

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Solution

The fourth proportional to 37,238.28, 51,388.10 and 20,470.92 is: 28,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,238.28 : 51,388.10 = 20,470.92 : x
  2. Step 2: Convert to fraction form
    37,238.28/51,388.10 = 20,470.92/x
  3. Step 3: Cross multiply
    37,238.28x = 51,388.10 × 20,470.92
  4. Step 4: Simplify right side
    37,238.28x = 1,051,961,684.05
  5. Step 5: Solve for x
    x = 1,051,961,684.05/37,238.28
  6. Step 6: Final answer
    x = 28,249.47

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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.