Home / 49,793.18-74,703.06-21,715.49

Finding the Fourth Proportional to 49,793.18, 74,703.06 and 21,715.49

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Solution

The fourth proportional to 49,793.18, 74,703.06 and 21,715.49 is: 32,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,793.18 : 74,703.06 = 21,715.49 : x
  2. Step 2: Convert to fraction form
    49,793.18/74,703.06 = 21,715.49/x
  3. Step 3: Cross multiply
    49,793.18x = 74,703.06 × 21,715.49
  4. Step 4: Simplify right side
    49,793.18x = 1,622,213,739.16
  5. Step 5: Solve for x
    x = 1,622,213,739.16/49,793.18
  6. Step 6: Final answer
    x = 32,579.04

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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.