Home / 37,721.53-52,057.08-21,591.80

Finding the Fourth Proportional to 37,721.53, 52,057.08 and 21,591.80

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Solution

The fourth proportional to 37,721.53, 52,057.08 and 21,591.80 is: 29,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.53 : 52,057.08 = 21,591.80 : x
  2. Step 2: Convert to fraction form
    37,721.53/52,057.08 = 21,591.80/x
  3. Step 3: Cross multiply
    37,721.53x = 52,057.08 × 21,591.80
  4. Step 4: Simplify right side
    37,721.53x = 1,124,005,994.87
  5. Step 5: Solve for x
    x = 1,124,005,994.87/37,721.53
  6. Step 6: Final answer
    x = 29,797.46

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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.