Home / 34,165.10-51,247.65-20,801.90

Finding the Fourth Proportional to 34,165.10, 51,247.65 and 20,801.90

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Solution

The fourth proportional to 34,165.10, 51,247.65 and 20,801.90 is: 31,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,165.10 : 51,247.65 = 20,801.90 : x
  2. Step 2: Convert to fraction form
    34,165.10/51,247.65 = 20,801.90/x
  3. Step 3: Cross multiply
    34,165.10x = 51,247.65 × 20,801.90
  4. Step 4: Simplify right side
    34,165.10x = 1,066,048,490.54
  5. Step 5: Solve for x
    x = 1,066,048,490.54/34,165.10
  6. Step 6: Final answer
    x = 31,202.85

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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.