Home / 31,126.80-46,708.73-11,406.75

Finding the Fourth Proportional to 31,126.80, 46,708.73 and 11,406.75

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Solution

The fourth proportional to 31,126.80, 46,708.73 and 11,406.75 is: 17,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.80 : 46,708.73 = 11,406.75 : x
  2. Step 2: Convert to fraction form
    31,126.80/46,708.73 = 11,406.75/x
  3. Step 3: Cross multiply
    31,126.80x = 46,708.73 × 11,406.75
  4. Step 4: Simplify right side
    31,126.80x = 532,794,680.67
  5. Step 5: Solve for x
    x = 532,794,680.67/31,126.80
  6. Step 6: Final answer
    x = 17,116.91

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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.