Home / 49,436.91-74,155.32-19,854.75

Finding the Fourth Proportional to 49,436.91, 74,155.32 and 19,854.75

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Solution

The fourth proportional to 49,436.91, 74,155.32 and 19,854.75 is: 29,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,436.91 : 74,155.32 = 19,854.75 : x
  2. Step 2: Convert to fraction form
    49,436.91/74,155.32 = 19,854.75/x
  3. Step 3: Cross multiply
    49,436.91x = 74,155.32 × 19,854.75
  4. Step 4: Simplify right side
    49,436.91x = 1,472,335,339.77
  5. Step 5: Solve for x
    x = 1,472,335,339.77/49,436.91
  6. Step 6: Final answer
    x = 29,782.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.