Home / 57,056.10-78,737.67-31,905.54

Finding the Fourth Proportional to 57,056.10, 78,737.67 and 31,905.54

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Solution

The fourth proportional to 57,056.10, 78,737.67 and 31,905.54 is: 44,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.10 : 78,737.67 = 31,905.54 : x
  2. Step 2: Convert to fraction form
    57,056.10/78,737.67 = 31,905.54/x
  3. Step 3: Cross multiply
    57,056.10x = 78,737.67 × 31,905.54
  4. Step 4: Simplify right side
    57,056.10x = 2,512,167,879.69
  5. Step 5: Solve for x
    x = 2,512,167,879.69/57,056.10
  6. Step 6: Final answer
    x = 44,029.79

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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.