Home / 31,658.24-43,696.06-19,735.45

Finding the Fourth Proportional to 31,658.24, 43,696.06 and 19,735.45

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Solution

The fourth proportional to 31,658.24, 43,696.06 and 19,735.45 is: 27,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,658.24 : 43,696.06 = 19,735.45 : x
  2. Step 2: Convert to fraction form
    31,658.24/43,696.06 = 19,735.45/x
  3. Step 3: Cross multiply
    31,658.24x = 43,696.06 × 19,735.45
  4. Step 4: Simplify right side
    31,658.24x = 862,361,248.75
  5. Step 5: Solve for x
    x = 862,361,248.75/31,658.24
  6. Step 6: Final answer
    x = 27,239.71

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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.