Home / 37,263.75-51,435.10-21,358.79

Finding the Fourth Proportional to 37,263.75, 51,435.10 and 21,358.79

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Solution

The fourth proportional to 37,263.75, 51,435.10 and 21,358.79 is: 29,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,263.75 : 51,435.10 = 21,358.79 : x
  2. Step 2: Convert to fraction form
    37,263.75/51,435.10 = 21,358.79/x
  3. Step 3: Cross multiply
    37,263.75x = 51,435.10 × 21,358.79
  4. Step 4: Simplify right side
    37,263.75x = 1,098,591,461.93
  5. Step 5: Solve for x
    x = 1,098,591,461.93/37,263.75
  6. Step 6: Final answer
    x = 29,481.51

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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.