Home / 37,548.79-51,817.18-20,321.12

Finding the Fourth Proportional to 37,548.79, 51,817.18 and 20,321.12

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Solution

The fourth proportional to 37,548.79, 51,817.18 and 20,321.12 is: 28,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,548.79 : 51,817.18 = 20,321.12 : x
  2. Step 2: Convert to fraction form
    37,548.79/51,817.18 = 20,321.12/x
  3. Step 3: Cross multiply
    37,548.79x = 51,817.18 × 20,321.12
  4. Step 4: Simplify right side
    37,548.79x = 1,052,983,132.84
  5. Step 5: Solve for x
    x = 1,052,983,132.84/37,548.79
  6. Step 6: Final answer
    x = 28,043.06

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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.