Home / 51,611.56-77,398.76-17,868.42

Finding the Fourth Proportional to 51,611.56, 77,398.76 and 17,868.42

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Solution

The fourth proportional to 51,611.56, 77,398.76 and 17,868.42 is: 26,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,611.56 : 77,398.76 = 17,868.42 : x
  2. Step 2: Convert to fraction form
    51,611.56/77,398.76 = 17,868.42/x
  3. Step 3: Cross multiply
    51,611.56x = 77,398.76 × 17,868.42
  4. Step 4: Simplify right side
    51,611.56x = 1,382,993,551.16
  5. Step 5: Solve for x
    x = 1,382,993,551.16/51,611.56
  6. Step 6: Final answer
    x = 26,796.20

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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.