Home / 31,504.22-43,482.12-18,084.55

Finding the Fourth Proportional to 31,504.22, 43,482.12 and 18,084.55

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Solution

The fourth proportional to 31,504.22, 43,482.12 and 18,084.55 is: 24,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504.22 : 43,482.12 = 18,084.55 : x
  2. Step 2: Convert to fraction form
    31,504.22/43,482.12 = 18,084.55/x
  3. Step 3: Cross multiply
    31,504.22x = 43,482.12 × 18,084.55
  4. Step 4: Simplify right side
    31,504.22x = 786,354,573.25
  5. Step 5: Solve for x
    x = 786,354,573.25/31,504.22
  6. Step 6: Final answer
    x = 24,960.29

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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.