Home / 31,421.43-43,362.41-17,082.23

Finding the Fourth Proportional to 31,421.43, 43,362.41 and 17,082.23

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Solution

The fourth proportional to 31,421.43, 43,362.41 and 17,082.23 is: 23,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,421.43 : 43,362.41 = 17,082.23 : x
  2. Step 2: Convert to fraction form
    31,421.43/43,362.41 = 17,082.23/x
  3. Step 3: Cross multiply
    31,421.43x = 43,362.41 × 17,082.23
  4. Step 4: Simplify right side
    31,421.43x = 740,726,660.97
  5. Step 5: Solve for x
    x = 740,726,660.97/31,421.43
  6. Step 6: Final answer
    x = 23,573.93

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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.