Home / 37,215.50-55,753.92-18,474.20

Finding the Fourth Proportional to 37,215.50, 55,753.92 and 18,474.20

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Solution

The fourth proportional to 37,215.50, 55,753.92 and 18,474.20 is: 27,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.50 : 55,753.92 = 18,474.20 : x
  2. Step 2: Convert to fraction form
    37,215.50/55,753.92 = 18,474.20/x
  3. Step 3: Cross multiply
    37,215.50x = 55,753.92 × 18,474.20
  4. Step 4: Simplify right side
    37,215.50x = 1,030,009,068.86
  5. Step 5: Solve for x
    x = 1,030,009,068.86/37,215.50
  6. Step 6: Final answer
    x = 27,676.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.