Home / 37,285.92-55,931.61-10,991.80

Finding the Fourth Proportional to 37,285.92, 55,931.61 and 10,991.80

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Solution

The fourth proportional to 37,285.92, 55,931.61 and 10,991.80 is: 16,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,285.92 : 55,931.61 = 10,991.80 : x
  2. Step 2: Convert to fraction form
    37,285.92/55,931.61 = 10,991.80/x
  3. Step 3: Cross multiply
    37,285.92x = 55,931.61 × 10,991.80
  4. Step 4: Simplify right side
    37,285.92x = 614,789,181.93
  5. Step 5: Solve for x
    x = 614,789,181.93/37,285.92
  6. Step 6: Final answer
    x = 16,488.51

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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.