Home / 49,549.32-74,336.94-28,755

Finding the Fourth Proportional to 49,549.32, 74,336.94 and 28,755

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Solution

The fourth proportional to 49,549.32, 74,336.94 and 28,755 is: 43,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,549.32 : 74,336.94 = 28,755 : x
  2. Step 2: Convert to fraction form
    49,549.32/74,336.94 = 28,755/x
  3. Step 3: Cross multiply
    49,549.32x = 74,336.94 × 28,755
  4. Step 4: Simplify right side
    49,549.32x = 2,137,558,709.70
  5. Step 5: Solve for x
    x = 2,137,558,709.70/49,549.32
  6. Step 6: Final answer
    x = 43,140.02

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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.