Home / 57,226.70-85,853.10-17,787.80

Finding the Fourth Proportional to 57,226.70, 85,853.10 and 17,787.80

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Solution

The fourth proportional to 57,226.70, 85,853.10 and 17,787.80 is: 26,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,226.70 : 85,853.10 = 17,787.80 : x
  2. Step 2: Convert to fraction form
    57,226.70/85,853.10 = 17,787.80/x
  3. Step 3: Cross multiply
    57,226.70x = 85,853.10 × 17,787.80
  4. Step 4: Simplify right side
    57,226.70x = 1,527,137,772.18
  5. Step 5: Solve for x
    x = 1,527,137,772.18/57,226.70
  6. Step 6: Final answer
    x = 26,685.76

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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.