Home / 51,601.70-77,404.26-18,321.32

Finding the Fourth Proportional to 51,601.70, 77,404.26 and 18,321.32

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Solution

The fourth proportional to 51,601.70, 77,404.26 and 18,321.32 is: 27,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,601.70 : 77,404.26 = 18,321.32 : x
  2. Step 2: Convert to fraction form
    51,601.70/77,404.26 = 18,321.32/x
  3. Step 3: Cross multiply
    51,601.70x = 77,404.26 × 18,321.32
  4. Step 4: Simplify right side
    51,601.70x = 1,418,148,216.82
  5. Step 5: Solve for x
    x = 1,418,148,216.82/51,601.70
  6. Step 6: Final answer
    x = 27,482.59

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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.