Home / 49,641.64-74,467.91-21,542.38

Finding the Fourth Proportional to 49,641.64, 74,467.91 and 21,542.38

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Solution

The fourth proportional to 49,641.64, 74,467.91 and 21,542.38 is: 32,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,641.64 : 74,467.91 = 21,542.38 : x
  2. Step 2: Convert to fraction form
    49,641.64/74,467.91 = 21,542.38/x
  3. Step 3: Cross multiply
    49,641.64x = 74,467.91 × 21,542.38
  4. Step 4: Simplify right side
    49,641.64x = 1,604,216,015.03
  5. Step 5: Solve for x
    x = 1,604,216,015.03/49,641.64
  6. Step 6: Final answer
    x = 32,315.94

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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.