Home / 37,099.55-51,215.11-21,180.93

Finding the Fourth Proportional to 37,099.55, 51,215.11 and 21,180.93

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Solution

The fourth proportional to 37,099.55, 51,215.11 and 21,180.93 is: 29,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,099.55 : 51,215.11 = 21,180.93 : x
  2. Step 2: Convert to fraction form
    37,099.55/51,215.11 = 21,180.93/x
  3. Step 3: Cross multiply
    37,099.55x = 51,215.11 × 21,180.93
  4. Step 4: Simplify right side
    37,099.55x = 1,084,783,659.85
  5. Step 5: Solve for x
    x = 1,084,783,659.85/37,099.55
  6. Step 6: Final answer
    x = 29,239.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.