Home / 57,107.22-78,809.01-31,956.66

Finding the Fourth Proportional to 57,107.22, 78,809.01 and 31,956.66

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Solution

The fourth proportional to 57,107.22, 78,809.01 and 31,956.66 is: 44,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,107.22 : 78,809.01 = 31,956.66 : x
  2. Step 2: Convert to fraction form
    57,107.22/78,809.01 = 31,956.66/x
  3. Step 3: Cross multiply
    57,107.22x = 78,809.01 × 31,956.66
  4. Step 4: Simplify right side
    57,107.22x = 2,518,472,737.51
  5. Step 5: Solve for x
    x = 2,518,472,737.51/57,107.22
  6. Step 6: Final answer
    x = 44,100.78

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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.