Home / 49,770.04-74,632.38-21,688.96

Finding the Fourth Proportional to 49,770.04, 74,632.38 and 21,688.96

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Solution

The fourth proportional to 49,770.04, 74,632.38 and 21,688.96 is: 32,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,770.04 : 74,632.38 = 21,688.96 : x
  2. Step 2: Convert to fraction form
    49,770.04/74,632.38 = 21,688.96/x
  3. Step 3: Cross multiply
    49,770.04x = 74,632.38 × 21,688.96
  4. Step 4: Simplify right side
    49,770.04x = 1,618,698,704.52
  5. Step 5: Solve for x
    x = 1,618,698,704.52/49,770.04
  6. Step 6: Final answer
    x = 32,523.56

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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.