Home / 37,277.88-51,443.28-21,361.92

Finding the Fourth Proportional to 37,277.88, 51,443.28 and 21,361.92

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Solution

The fourth proportional to 37,277.88, 51,443.28 and 21,361.92 is: 29,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,277.88 : 51,443.28 = 21,361.92 : x
  2. Step 2: Convert to fraction form
    37,277.88/51,443.28 = 21,361.92/x
  3. Step 3: Cross multiply
    37,277.88x = 51,443.28 × 21,361.92
  4. Step 4: Simplify right side
    37,277.88x = 1,098,927,231.90
  5. Step 5: Solve for x
    x = 1,098,927,231.90/37,277.88
  6. Step 6: Final answer
    x = 29,479.34

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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.