Home / 37,586.88-51,855.43-21,455.10

Finding the Fourth Proportional to 37,586.88, 51,855.43 and 21,455.10

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Solution

The fourth proportional to 37,586.88, 51,855.43 and 21,455.10 is: 29,599.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,586.88 : 51,855.43 = 21,455.10 : x
  2. Step 2: Convert to fraction form
    37,586.88/51,855.43 = 21,455.10/x
  3. Step 3: Cross multiply
    37,586.88x = 51,855.43 × 21,455.10
  4. Step 4: Simplify right side
    37,586.88x = 1,112,563,463.01
  5. Step 5: Solve for x
    x = 1,112,563,463.01/37,586.88
  6. Step 6: Final answer
    x = 29,599.78

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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.