Home / 57,243.44-79,000.82-31,758.02

Finding the Fourth Proportional to 57,243.44, 79,000.82 and 31,758.02

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Solution

The fourth proportional to 57,243.44, 79,000.82 and 31,758.02 is: 43,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,243.44 : 79,000.82 = 31,758.02 : x
  2. Step 2: Convert to fraction form
    57,243.44/79,000.82 = 31,758.02/x
  3. Step 3: Cross multiply
    57,243.44x = 79,000.82 × 31,758.02
  4. Step 4: Simplify right side
    57,243.44x = 2,508,909,898.47
  5. Step 5: Solve for x
    x = 2,508,909,898.47/57,243.44
  6. Step 6: Final answer
    x = 43,828.77

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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.