Home / 37,221.95-51,366.61-20,226.19

Finding the Fourth Proportional to 37,221.95, 51,366.61 and 20,226.19

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Solution

The fourth proportional to 37,221.95, 51,366.61 and 20,226.19 is: 27,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.95 : 51,366.61 = 20,226.19 : x
  2. Step 2: Convert to fraction form
    37,221.95/51,366.61 = 20,226.19/x
  3. Step 3: Cross multiply
    37,221.95x = 51,366.61 × 20,226.19
  4. Step 4: Simplify right side
    37,221.95x = 1,038,950,813.52
  5. Step 5: Solve for x
    x = 1,038,950,813.52/37,221.95
  6. Step 6: Final answer
    x = 27,912.32

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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.