Home / 37,040.70-55,569.15-12,081.90

Finding the Fourth Proportional to 37,040.70, 55,569.15 and 12,081.90

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Solution

The fourth proportional to 37,040.70, 55,569.15 and 12,081.90 is: 18,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,040.70 : 55,569.15 = 12,081.90 : x
  2. Step 2: Convert to fraction form
    37,040.70/55,569.15 = 12,081.90/x
  3. Step 3: Cross multiply
    37,040.70x = 55,569.15 × 12,081.90
  4. Step 4: Simplify right side
    37,040.70x = 671,380,913.39
  5. Step 5: Solve for x
    x = 671,380,913.39/37,040.70
  6. Step 6: Final answer
    x = 18,125.49

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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.