Home / 31,866.24-47,769.48-10,791.54

Finding the Fourth Proportional to 31,866.24, 47,769.48 and 10,791.54

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Solution

The fourth proportional to 31,866.24, 47,769.48 and 10,791.54 is: 16,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.24 : 47,769.48 = 10,791.54 : x
  2. Step 2: Convert to fraction form
    31,866.24/47,769.48 = 10,791.54/x
  3. Step 3: Cross multiply
    31,866.24x = 47,769.48 × 10,791.54
  4. Step 4: Simplify right side
    31,866.24x = 515,506,254.20
  5. Step 5: Solve for x
    x = 515,506,254.20/31,866.24
  6. Step 6: Final answer
    x = 16,177.19

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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.