Home / 31,833.72-43,929.90-17,686.44

Finding the Fourth Proportional to 31,833.72, 43,929.90 and 17,686.44

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Solution

The fourth proportional to 31,833.72, 43,929.90 and 17,686.44 is: 24,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,833.72 : 43,929.90 = 17,686.44 : x
  2. Step 2: Convert to fraction form
    31,833.72/43,929.90 = 17,686.44/x
  3. Step 3: Cross multiply
    31,833.72x = 43,929.90 × 17,686.44
  4. Step 4: Simplify right side
    31,833.72x = 776,963,540.56
  5. Step 5: Solve for x
    x = 776,963,540.56/31,833.72
  6. Step 6: Final answer
    x = 24,406.94

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1.5x scale

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.