Home / 49,809.30-74,733.98-20,229.45

Finding the Fourth Proportional to 49,809.30, 74,733.98 and 20,229.45

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Solution

The fourth proportional to 49,809.30, 74,733.98 and 20,229.45 is: 30,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,809.30 : 74,733.98 = 20,229.45 : x
  2. Step 2: Convert to fraction form
    49,809.30/74,733.98 = 20,229.45/x
  3. Step 3: Cross multiply
    49,809.30x = 74,733.98 × 20,229.45
  4. Step 4: Simplify right side
    49,809.30x = 1,511,827,210.56
  5. Step 5: Solve for x
    x = 1,511,827,210.56/49,809.30
  6. Step 6: Final answer
    x = 30,352.31

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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.