Home / 50,640.45-69,869.60-29,129.07

Finding the Fourth Proportional to 50,640.45, 69,869.60 and 29,129.07

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Solution

The fourth proportional to 50,640.45, 69,869.60 and 29,129.07 is: 40,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,640.45 : 69,869.60 = 29,129.07 : x
  2. Step 2: Convert to fraction form
    50,640.45/69,869.60 = 29,129.07/x
  3. Step 3: Cross multiply
    50,640.45x = 69,869.60 × 29,129.07
  4. Step 4: Simplify right side
    50,640.45x = 2,035,236,323.63
  5. Step 5: Solve for x
    x = 2,035,236,323.63/50,640.45
  6. Step 6: Final answer
    x = 40,189.93

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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.