Home / 51,118.68-70,538.94-28,761.24

Finding the Fourth Proportional to 51,118.68, 70,538.94 and 28,761.24

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Solution

The fourth proportional to 51,118.68, 70,538.94 and 28,761.24 is: 39,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118.68 : 70,538.94 = 28,761.24 : x
  2. Step 2: Convert to fraction form
    51,118.68/70,538.94 = 28,761.24/x
  3. Step 3: Cross multiply
    51,118.68x = 70,538.94 × 28,761.24
  4. Step 4: Simplify right side
    51,118.68x = 2,028,787,382.69
  5. Step 5: Solve for x
    x = 2,028,787,382.69/51,118.68
  6. Step 6: Final answer
    x = 39,687.79

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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.