Home / 37,045.35-55,573.79-12,079.60

Finding the Fourth Proportional to 37,045.35, 55,573.79 and 12,079.60

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Solution

The fourth proportional to 37,045.35, 55,573.79 and 12,079.60 is: 18,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,045.35 : 55,573.79 = 12,079.60 : x
  2. Step 2: Convert to fraction form
    37,045.35/55,573.79 = 12,079.60/x
  3. Step 3: Cross multiply
    37,045.35x = 55,573.79 × 12,079.60
  4. Step 4: Simplify right side
    37,045.35x = 671,309,153.68
  5. Step 5: Solve for x
    x = 671,309,153.68/37,045.35
  6. Step 6: Final answer
    x = 18,121.28

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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.