Home / 37,877.42-52,271.20-20,882.28

Finding the Fourth Proportional to 37,877.42, 52,271.20 and 20,882.28

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Solution

The fourth proportional to 37,877.42, 52,271.20 and 20,882.28 is: 28,817.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,877.42 : 52,271.20 = 20,882.28 : x
  2. Step 2: Convert to fraction form
    37,877.42/52,271.20 = 20,882.28/x
  3. Step 3: Cross multiply
    37,877.42x = 52,271.20 × 20,882.28
  4. Step 4: Simplify right side
    37,877.42x = 1,091,541,742.98
  5. Step 5: Solve for x
    x = 1,091,541,742.98/37,877.42
  6. Step 6: Final answer
    x = 28,817.75

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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.