Home / 57,056.76-78,738.26-31,906.26

Finding the Fourth Proportional to 57,056.76, 78,738.26 and 31,906.26

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Solution

The fourth proportional to 57,056.76, 78,738.26 and 31,906.26 is: 44,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.76 : 78,738.26 = 31,906.26 : x
  2. Step 2: Convert to fraction form
    57,056.76/78,738.26 = 31,906.26/x
  3. Step 3: Cross multiply
    57,056.76x = 78,738.26 × 31,906.26
  4. Step 4: Simplify right side
    57,056.76x = 2,512,243,001.82
  5. Step 5: Solve for x
    x = 2,512,243,001.82/57,056.76
  6. Step 6: Final answer
    x = 44,030.60

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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.