Home / 51,754.72-77,645.94-18,478.24

Finding the Fourth Proportional to 51,754.72, 77,645.94 and 18,478.24

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Solution

The fourth proportional to 51,754.72, 77,645.94 and 18,478.24 is: 27,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,754.72 : 77,645.94 = 18,478.24 : x
  2. Step 2: Convert to fraction form
    51,754.72/77,645.94 = 18,478.24/x
  3. Step 3: Cross multiply
    51,754.72x = 77,645.94 × 18,478.24
  4. Step 4: Simplify right side
    51,754.72x = 1,434,760,314.35
  5. Step 5: Solve for x
    x = 1,434,760,314.35/51,754.72
  6. Step 6: Final answer
    x = 27,722.31

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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.