Home / 49,538.16-74,289.96-21,821.04

Finding the Fourth Proportional to 49,538.16, 74,289.96 and 21,821.04

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Solution

The fourth proportional to 49,538.16, 74,289.96 and 21,821.04 is: 32,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538.16 : 74,289.96 = 21,821.04 : x
  2. Step 2: Convert to fraction form
    49,538.16/74,289.96 = 21,821.04/x
  3. Step 3: Cross multiply
    49,538.16x = 74,289.96 × 21,821.04
  4. Step 4: Simplify right side
    49,538.16x = 1,621,084,188.76
  5. Step 5: Solve for x
    x = 1,621,084,188.76/49,538.16
  6. Step 6: Final answer
    x = 32,723.95

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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.