Home / 37,605.20-51,896.22-20,838.20

Finding the Fourth Proportional to 37,605.20, 51,896.22 and 20,838.20

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Solution

The fourth proportional to 37,605.20, 51,896.22 and 20,838.20 is: 28,757.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,605.20 : 51,896.22 = 20,838.20 : x
  2. Step 2: Convert to fraction form
    37,605.20/51,896.22 = 20,838.20/x
  3. Step 3: Cross multiply
    37,605.20x = 51,896.22 × 20,838.20
  4. Step 4: Simplify right side
    37,605.20x = 1,081,423,811.60
  5. Step 5: Solve for x
    x = 1,081,423,811.60/37,605.20
  6. Step 6: Final answer
    x = 28,757.29

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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.