Home / 31,896-47,854.08-14,367.36

Finding the Fourth Proportional to 31,896, 47,854.08 and 14,367.36

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Solution

The fourth proportional to 31,896, 47,854.08 and 14,367.36 is: 21,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,896 : 47,854.08 = 14,367.36 : x
  2. Step 2: Convert to fraction form
    31,896/47,854.08 = 14,367.36/x
  3. Step 3: Cross multiply
    31,896x = 47,854.08 × 14,367.36
  4. Step 4: Simplify right side
    31,896x = 687,536,794.83
  5. Step 5: Solve for x
    x = 687,536,794.83/31,896
  6. Step 6: Final answer
    x = 21,555.58

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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.