Home / 50,511.72-69,718.68-34,405.68

Finding the Fourth Proportional to 50,511.72, 69,718.68 and 34,405.68

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Solution

The fourth proportional to 50,511.72, 69,718.68 and 34,405.68 is: 47,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,511.72 : 69,718.68 = 34,405.68 : x
  2. Step 2: Convert to fraction form
    50,511.72/69,718.68 = 34,405.68/x
  3. Step 3: Cross multiply
    50,511.72x = 69,718.68 × 34,405.68
  4. Step 4: Simplify right side
    50,511.72x = 2,398,718,594.10
  5. Step 5: Solve for x
    x = 2,398,718,594.10/50,511.72
  6. Step 6: Final answer
    x = 47,488.36

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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.