Home / 50,129.27-69,175.75-28,618.17

Finding the Fourth Proportional to 50,129.27, 69,175.75 and 28,618.17

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Solution

The fourth proportional to 50,129.27, 69,175.75 and 28,618.17 is: 39,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,129.27 : 69,175.75 = 28,618.17 : x
  2. Step 2: Convert to fraction form
    50,129.27/69,175.75 = 28,618.17/x
  3. Step 3: Cross multiply
    50,129.27x = 69,175.75 × 28,618.17
  4. Step 4: Simplify right side
    50,129.27x = 1,979,683,027.50
  5. Step 5: Solve for x
    x = 1,979,683,027.50/50,129.27
  6. Step 6: Final answer
    x = 39,491.56

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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.