Home / 35,990.58-54,002.28-18,472.72

Finding the Fourth Proportional to 35,990.58, 54,002.28 and 18,472.72

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Solution

The fourth proportional to 35,990.58, 54,002.28 and 18,472.72 is: 27,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,990.58 : 54,002.28 = 18,472.72 : x
  2. Step 2: Convert to fraction form
    35,990.58/54,002.28 = 18,472.72/x
  3. Step 3: Cross multiply
    35,990.58x = 54,002.28 × 18,472.72
  4. Step 4: Simplify right side
    35,990.58x = 997,568,997.80
  5. Step 5: Solve for x
    x = 997,568,997.80/35,990.58
  6. Step 6: Final answer
    x = 27,717.50

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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.