Home / 51,236.32-76,902.40-31,553.28

Finding the Fourth Proportional to 51,236.32, 76,902.40 and 31,553.28

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Solution

The fourth proportional to 51,236.32, 76,902.40 and 31,553.28 is: 47,359.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,236.32 : 76,902.40 = 31,553.28 : x
  2. Step 2: Convert to fraction form
    51,236.32/76,902.40 = 31,553.28/x
  3. Step 3: Cross multiply
    51,236.32x = 76,902.40 × 31,553.28
  4. Step 4: Simplify right side
    51,236.32x = 2,426,522,959.87
  5. Step 5: Solve for x
    x = 2,426,522,959.87/51,236.32
  6. Step 6: Final answer
    x = 47,359.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.