Home / 37,660.25-51,968.90-21,529.30

Finding the Fourth Proportional to 37,660.25, 51,968.90 and 21,529.30

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Solution

The fourth proportional to 37,660.25, 51,968.90 and 21,529.30 is: 29,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,660.25 : 51,968.90 = 21,529.30 : x
  2. Step 2: Convert to fraction form
    37,660.25/51,968.90 = 21,529.30/x
  3. Step 3: Cross multiply
    37,660.25x = 51,968.90 × 21,529.30
  4. Step 4: Simplify right side
    37,660.25x = 1,118,853,671.28
  5. Step 5: Solve for x
    x = 1,118,853,671.28/37,660.25
  6. Step 6: Final answer
    x = 29,709.14

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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.