Home / 57,102.39-78,837.17-35,912.79

Finding the Fourth Proportional to 57,102.39, 78,837.17 and 35,912.79

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Solution

The fourth proportional to 57,102.39, 78,837.17 and 35,912.79 is: 49,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102.39 : 78,837.17 = 35,912.79 : x
  2. Step 2: Convert to fraction form
    57,102.39/78,837.17 = 35,912.79/x
  3. Step 3: Cross multiply
    57,102.39x = 78,837.17 × 35,912.79
  4. Step 4: Simplify right side
    57,102.39x = 2,831,262,550.84
  5. Step 5: Solve for x
    x = 2,831,262,550.84/57,102.39
  6. Step 6: Final answer
    x = 49,582.21

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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.