Home / 37,658.06-51,966.39-20,661.93

Finding the Fourth Proportional to 37,658.06, 51,966.39 and 20,661.93

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Solution

The fourth proportional to 37,658.06, 51,966.39 and 20,661.93 is: 28,512.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,658.06 : 51,966.39 = 20,661.93 : x
  2. Step 2: Convert to fraction form
    37,658.06/51,966.39 = 20,661.93/x
  3. Step 3: Cross multiply
    37,658.06x = 51,966.39 × 20,661.93
  4. Step 4: Simplify right side
    37,658.06x = 1,073,725,912.53
  5. Step 5: Solve for x
    x = 1,073,725,912.53/37,658.06
  6. Step 6: Final answer
    x = 28,512.52

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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.