Home / 37,877.92-52,271.89-20,882.78

Finding the Fourth Proportional to 37,877.92, 52,271.89 and 20,882.78

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Solution

The fourth proportional to 37,877.92, 52,271.89 and 20,882.78 is: 28,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,877.92 : 52,271.89 = 20,882.78 : x
  2. Step 2: Convert to fraction form
    37,877.92/52,271.89 = 20,882.78/x
  3. Step 3: Cross multiply
    37,877.92x = 52,271.89 × 20,882.78
  4. Step 4: Simplify right side
    37,877.92x = 1,091,582,274.64
  5. Step 5: Solve for x
    x = 1,091,582,274.64/37,877.92
  6. Step 6: Final answer
    x = 28,818.44

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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.