Home / 31,866.24-47,782.08-9,672.96

Finding the Fourth Proportional to 31,866.24, 47,782.08 and 9,672.96

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Solution

The fourth proportional to 31,866.24, 47,782.08 and 9,672.96 is: 14,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.24 : 47,782.08 = 9,672.96 : x
  2. Step 2: Convert to fraction form
    31,866.24/47,782.08 = 9,672.96/x
  3. Step 3: Cross multiply
    31,866.24x = 47,782.08 × 9,672.96
  4. Step 4: Simplify right side
    31,866.24x = 462,194,148.56
  5. Step 5: Solve for x
    x = 462,194,148.56/31,866.24
  6. Step 6: Final answer
    x = 14,504.19

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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.