Home / 31,384.36-43,317.88-17,963.36

Finding the Fourth Proportional to 31,384.36, 43,317.88 and 17,963.36

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Solution

The fourth proportional to 31,384.36, 43,317.88 and 17,963.36 is: 24,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384.36 : 43,317.88 = 17,963.36 : x
  2. Step 2: Convert to fraction form
    31,384.36/43,317.88 = 17,963.36/x
  3. Step 3: Cross multiply
    31,384.36x = 43,317.88 × 17,963.36
  4. Step 4: Simplify right side
    31,384.36x = 778,134,456.29
  5. Step 5: Solve for x
    x = 778,134,456.29/31,384.36
  6. Step 6: Final answer
    x = 24,793.71

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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.