Home / 37,170.84-55,756.98-12,212.28

Finding the Fourth Proportional to 37,170.84, 55,756.98 and 12,212.28

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Solution

The fourth proportional to 37,170.84, 55,756.98 and 12,212.28 is: 18,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170.84 : 55,756.98 = 12,212.28 : x
  2. Step 2: Convert to fraction form
    37,170.84/55,756.98 = 12,212.28/x
  3. Step 3: Cross multiply
    37,170.84x = 55,756.98 × 12,212.28
  4. Step 4: Simplify right side
    37,170.84x = 680,919,851.71
  5. Step 5: Solve for x
    x = 680,919,851.71/37,170.84
  6. Step 6: Final answer
    x = 18,318.66

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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.