Home / 39,354.70-54,336.71-31,834.15

Finding the Fourth Proportional to 39,354.70, 54,336.71 and 31,834.15

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Solution

The fourth proportional to 39,354.70, 54,336.71 and 31,834.15 is: 43,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,354.70 : 54,336.71 = 31,834.15 : x
  2. Step 2: Convert to fraction form
    39,354.70/54,336.71 = 31,834.15/x
  3. Step 3: Cross multiply
    39,354.70x = 54,336.71 × 31,834.15
  4. Step 4: Simplify right side
    39,354.70x = 1,729,762,976.65
  5. Step 5: Solve for x
    x = 1,729,762,976.65/39,354.70
  6. Step 6: Final answer
    x = 43,953.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.