Home / 51,416.82-70,954.70-28,755.54

Finding the Fourth Proportional to 51,416.82, 70,954.70 and 28,755.54

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Solution

The fourth proportional to 51,416.82, 70,954.70 and 28,755.54 is: 39,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416.82 : 70,954.70 = 28,755.54 : x
  2. Step 2: Convert to fraction form
    51,416.82/70,954.70 = 28,755.54/x
  3. Step 3: Cross multiply
    51,416.82x = 70,954.70 × 28,755.54
  4. Step 4: Simplify right side
    51,416.82x = 2,040,340,570.26
  5. Step 5: Solve for x
    x = 2,040,340,570.26/51,416.82
  6. Step 6: Final answer
    x = 39,682.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.