Home / 50,115.01-69,142.44-34,171.78

Finding the Fourth Proportional to 50,115.01, 69,142.44 and 34,171.78

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Solution

The fourth proportional to 50,115.01, 69,142.44 and 34,171.78 is: 47,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,115.01 : 69,142.44 = 34,171.78 : x
  2. Step 2: Convert to fraction form
    50,115.01/69,142.44 = 34,171.78/x
  3. Step 3: Cross multiply
    50,115.01x = 69,142.44 × 34,171.78
  4. Step 4: Simplify right side
    50,115.01x = 2,362,720,248.34
  5. Step 5: Solve for x
    x = 2,362,720,248.34/50,115.01
  6. Step 6: Final answer
    x = 47,145.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.