Home / 31,971.24-47,986.40-16,187.36

Finding the Fourth Proportional to 31,971.24, 47,986.40 and 16,187.36

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Solution

The fourth proportional to 31,971.24, 47,986.40 and 16,187.36 is: 24,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.24 : 47,986.40 = 16,187.36 : x
  2. Step 2: Convert to fraction form
    31,971.24/47,986.40 = 16,187.36/x
  3. Step 3: Cross multiply
    31,971.24x = 47,986.40 × 16,187.36
  4. Step 4: Simplify right side
    31,971.24x = 776,772,932.44
  5. Step 5: Solve for x
    x = 776,772,932.44/31,971.24
  6. Step 6: Final answer
    x = 24,295.99

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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.