Home / 37,079.84-55,628.40-12,121.04

Finding the Fourth Proportional to 37,079.84, 55,628.40 and 12,121.04

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Solution

The fourth proportional to 37,079.84, 55,628.40 and 12,121.04 is: 18,184.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,079.84 : 55,628.40 = 12,121.04 : x
  2. Step 2: Convert to fraction form
    37,079.84/55,628.40 = 12,121.04/x
  3. Step 3: Cross multiply
    37,079.84x = 55,628.40 × 12,121.04
  4. Step 4: Simplify right side
    37,079.84x = 674,274,061.54
  5. Step 5: Solve for x
    x = 674,274,061.54/37,079.84
  6. Step 6: Final answer
    x = 18,184.38

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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.