Home / 49,317.72-74,029.23-21,251.63

Finding the Fourth Proportional to 49,317.72, 74,029.23 and 21,251.63

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Solution

The fourth proportional to 49,317.72, 74,029.23 and 21,251.63 is: 31,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,317.72 : 74,029.23 = 21,251.63 : x
  2. Step 2: Convert to fraction form
    49,317.72/74,029.23 = 21,251.63/x
  3. Step 3: Cross multiply
    49,317.72x = 74,029.23 × 21,251.63
  4. Step 4: Simplify right side
    49,317.72x = 1,573,241,805.14
  5. Step 5: Solve for x
    x = 1,573,241,805.14/49,317.72
  6. Step 6: Final answer
    x = 31,900.13

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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.