Home / 49,381.34-74,081.23-19,801.49

Finding the Fourth Proportional to 49,381.34, 74,081.23 and 19,801.49

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Solution

The fourth proportional to 49,381.34, 74,081.23 and 19,801.49 is: 29,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,381.34 : 74,081.23 = 19,801.49 : x
  2. Step 2: Convert to fraction form
    49,381.34/74,081.23 = 19,801.49/x
  3. Step 3: Cross multiply
    49,381.34x = 74,081.23 × 19,801.49
  4. Step 4: Simplify right side
    49,381.34x = 1,466,918,315.12
  5. Step 5: Solve for x
    x = 1,466,918,315.12/49,381.34
  6. Step 6: Final answer
    x = 29,705.93

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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.