Home / 31,108.88-46,656.41-8,922.16

Finding the Fourth Proportional to 31,108.88, 46,656.41 and 8,922.16

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Solution

The fourth proportional to 31,108.88, 46,656.41 and 8,922.16 is: 13,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,108.88 : 46,656.41 = 8,922.16 : x
  2. Step 2: Convert to fraction form
    31,108.88/46,656.41 = 8,922.16/x
  3. Step 3: Cross multiply
    31,108.88x = 46,656.41 × 8,922.16
  4. Step 4: Simplify right side
    31,108.88x = 416,275,955.05
  5. Step 5: Solve for x
    x = 416,275,955.05/31,108.88
  6. Step 6: Final answer
    x = 13,381.26

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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.