Home / 37,235.72-51,380.70-22,128.68

Finding the Fourth Proportional to 37,235.72, 51,380.70 and 22,128.68

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Solution

The fourth proportional to 37,235.72, 51,380.70 and 22,128.68 is: 30,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,235.72 : 51,380.70 = 22,128.68 : x
  2. Step 2: Convert to fraction form
    37,235.72/51,380.70 = 22,128.68/x
  3. Step 3: Cross multiply
    37,235.72x = 51,380.70 × 22,128.68
  4. Step 4: Simplify right side
    37,235.72x = 1,136,986,811.57
  5. Step 5: Solve for x
    x = 1,136,986,811.57/37,235.72
  6. Step 6: Final answer
    x = 30,534.85

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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.