Home / 31,929.52-47,940.41-19,473.87

Finding the Fourth Proportional to 31,929.52, 47,940.41 and 19,473.87

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Solution

The fourth proportional to 31,929.52, 47,940.41 and 19,473.87 is: 29,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929.52 : 47,940.41 = 19,473.87 : x
  2. Step 2: Convert to fraction form
    31,929.52/47,940.41 = 19,473.87/x
  3. Step 3: Cross multiply
    31,929.52x = 47,940.41 × 19,473.87
  4. Step 4: Simplify right side
    31,929.52x = 933,585,161.34
  5. Step 5: Solve for x
    x = 933,585,161.34/31,929.52
  6. Step 6: Final answer
    x = 29,238.94

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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.