Home / 51,450.39-77,208.53-27,774.42

Finding the Fourth Proportional to 51,450.39, 77,208.53 and 27,774.42

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Solution

The fourth proportional to 51,450.39, 77,208.53 and 27,774.42 is: 41,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,450.39 : 77,208.53 = 27,774.42 : x
  2. Step 2: Convert to fraction form
    51,450.39/77,208.53 = 27,774.42/x
  3. Step 3: Cross multiply
    51,450.39x = 77,208.53 × 27,774.42
  4. Step 4: Simplify right side
    51,450.39x = 2,144,422,502.23
  5. Step 5: Solve for x
    x = 2,144,422,502.23/51,450.39
  6. Step 6: Final answer
    x = 41,679.42

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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.