Home / 37,084.39-55,630-12,124.57

Finding the Fourth Proportional to 37,084.39, 55,630 and 12,124.57

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Solution

The fourth proportional to 37,084.39, 55,630 and 12,124.57 is: 18,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,084.39 : 55,630 = 12,124.57 : x
  2. Step 2: Convert to fraction form
    37,084.39/55,630 = 12,124.57/x
  3. Step 3: Cross multiply
    37,084.39x = 55,630 × 12,124.57
  4. Step 4: Simplify right side
    37,084.39x = 674,489,829.10
  5. Step 5: Solve for x
    x = 674,489,829.10/37,084.39
  6. Step 6: Final answer
    x = 18,187.97

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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.