Home / 56,902.24-78,524.40-31,756

Finding the Fourth Proportional to 56,902.24, 78,524.40 and 31,756

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Solution

The fourth proportional to 56,902.24, 78,524.40 and 31,756 is: 43,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,902.24 : 78,524.40 = 31,756 : x
  2. Step 2: Convert to fraction form
    56,902.24/78,524.40 = 31,756/x
  3. Step 3: Cross multiply
    56,902.24x = 78,524.40 × 31,756
  4. Step 4: Simplify right side
    56,902.24x = 2,493,620,846.40
  5. Step 5: Solve for x
    x = 2,493,620,846.40/56,902.24
  6. Step 6: Final answer
    x = 43,822.89

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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.