Home / 49,401.34-74,115.88-19,839.92

Finding the Fourth Proportional to 49,401.34, 74,115.88 and 19,839.92

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Solution

The fourth proportional to 49,401.34, 74,115.88 and 19,839.92 is: 29,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,401.34 : 74,115.88 = 19,839.92 : x
  2. Step 2: Convert to fraction form
    49,401.34/74,115.88 = 19,839.92/x
  3. Step 3: Cross multiply
    49,401.34x = 74,115.88 × 19,839.92
  4. Step 4: Simplify right side
    49,401.34x = 1,470,453,129.93
  5. Step 5: Solve for x
    x = 1,470,453,129.93/49,401.34
  6. Step 6: Final answer
    x = 29,765.45

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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.