Home / 51,380.08-77,073.90-21,794.56

Finding the Fourth Proportional to 51,380.08, 77,073.90 and 21,794.56

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Solution

The fourth proportional to 51,380.08, 77,073.90 and 21,794.56 is: 32,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,380.08 : 77,073.90 = 21,794.56 : x
  2. Step 2: Convert to fraction form
    51,380.08/77,073.90 = 21,794.56/x
  3. Step 3: Cross multiply
    51,380.08x = 77,073.90 × 21,794.56
  4. Step 4: Simplify right side
    51,380.08x = 1,679,791,737.98
  5. Step 5: Solve for x
    x = 1,679,791,737.98/51,380.08
  6. Step 6: Final answer
    x = 32,693.44

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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.