Home / 31,286.24-46,930.80-11,561.12

Finding the Fourth Proportional to 31,286.24, 46,930.80 and 11,561.12

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Solution

The fourth proportional to 31,286.24, 46,930.80 and 11,561.12 is: 17,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,286.24 : 46,930.80 = 11,561.12 : x
  2. Step 2: Convert to fraction form
    31,286.24/46,930.80 = 11,561.12/x
  3. Step 3: Cross multiply
    31,286.24x = 46,930.80 × 11,561.12
  4. Step 4: Simplify right side
    31,286.24x = 542,572,610.50
  5. Step 5: Solve for x
    x = 542,572,610.50/31,286.24
  6. Step 6: Final answer
    x = 17,342.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.