Home / 49,401.34-74,079.60-21,308.12

Finding the Fourth Proportional to 49,401.34, 74,079.60 and 21,308.12

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Solution

The fourth proportional to 49,401.34, 74,079.60 and 21,308.12 is: 31,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,401.34 : 74,079.60 = 21,308.12 : x
  2. Step 2: Convert to fraction form
    49,401.34/74,079.60 = 21,308.12/x
  3. Step 3: Cross multiply
    49,401.34x = 74,079.60 × 21,308.12
  4. Step 4: Simplify right side
    49,401.34x = 1,578,497,006.35
  5. Step 5: Solve for x
    x = 1,578,497,006.35/49,401.34
  6. Step 6: Final answer
    x = 31,952.51

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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.