Home / 37,821.28-56,712.56-21,176.84

Finding the Fourth Proportional to 37,821.28, 56,712.56 and 21,176.84

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Solution

The fourth proportional to 37,821.28, 56,712.56 and 21,176.84 is: 31,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.28 : 56,712.56 = 21,176.84 : x
  2. Step 2: Convert to fraction form
    37,821.28/56,712.56 = 21,176.84/x
  3. Step 3: Cross multiply
    37,821.28x = 56,712.56 × 21,176.84
  4. Step 4: Simplify right side
    37,821.28x = 1,200,992,845.01
  5. Step 5: Solve for x
    x = 1,200,992,845.01/37,821.28
  6. Step 6: Final answer
    x = 31,754.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.