Home / 50,126.45-69,171.44-28,618.65

Finding the Fourth Proportional to 50,126.45, 69,171.44 and 28,618.65

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Solution

The fourth proportional to 50,126.45, 69,171.44 and 28,618.65 is: 39,491.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,126.45 : 69,171.44 = 28,618.65 : x
  2. Step 2: Convert to fraction form
    50,126.45/69,171.44 = 28,618.65/x
  3. Step 3: Cross multiply
    50,126.45x = 69,171.44 × 28,618.65
  4. Step 4: Simplify right side
    50,126.45x = 1,979,593,088.26
  5. Step 5: Solve for x
    x = 1,979,593,088.26/50,126.45
  6. Step 6: Final answer
    x = 39,491.99

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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.