Home / 57,414.89-79,236.15-31,921.47

Finding the Fourth Proportional to 57,414.89, 79,236.15 and 31,921.47

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Solution

The fourth proportional to 57,414.89, 79,236.15 and 31,921.47 is: 44,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,414.89 : 79,236.15 = 31,921.47 : x
  2. Step 2: Convert to fraction form
    57,414.89/79,236.15 = 31,921.47/x
  3. Step 3: Cross multiply
    57,414.89x = 79,236.15 × 31,921.47
  4. Step 4: Simplify right side
    57,414.89x = 2,529,334,225.53
  5. Step 5: Solve for x
    x = 2,529,334,225.53/57,414.89
  6. Step 6: Final answer
    x = 44,053.63

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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.