Home / 37,245.87-55,875.71-12,287.66

Finding the Fourth Proportional to 37,245.87, 55,875.71 and 12,287.66

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Solution

The fourth proportional to 37,245.87, 55,875.71 and 12,287.66 is: 18,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,245.87 : 55,875.71 = 12,287.66 : x
  2. Step 2: Convert to fraction form
    37,245.87/55,875.71 = 12,287.66/x
  3. Step 3: Cross multiply
    37,245.87x = 55,875.71 × 12,287.66
  4. Step 4: Simplify right side
    37,245.87x = 686,581,385.92
  5. Step 5: Solve for x
    x = 686,581,385.92/37,245.87
  6. Step 6: Final answer
    x = 18,433.76

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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.