Home / 31,532.93-47,299.57-8,159.37

Finding the Fourth Proportional to 31,532.93, 47,299.57 and 8,159.37

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Solution

The fourth proportional to 31,532.93, 47,299.57 and 8,159.37 is: 12,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.93 : 47,299.57 = 8,159.37 : x
  2. Step 2: Convert to fraction form
    31,532.93/47,299.57 = 8,159.37/x
  3. Step 3: Cross multiply
    31,532.93x = 47,299.57 × 8,159.37
  4. Step 4: Simplify right side
    31,532.93x = 385,934,791.36
  5. Step 5: Solve for x
    x = 385,934,791.36/31,532.93
  6. Step 6: Final answer
    x = 12,239.10

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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.