Home / 37,134.99-51,245.38-21,218.41

Finding the Fourth Proportional to 37,134.99, 51,245.38 and 21,218.41

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Solution

The fourth proportional to 37,134.99, 51,245.38 and 21,218.41 is: 29,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,134.99 : 51,245.38 = 21,218.41 : x
  2. Step 2: Convert to fraction form
    37,134.99/51,245.38 = 21,218.41/x
  3. Step 3: Cross multiply
    37,134.99x = 51,245.38 × 21,218.41
  4. Step 4: Simplify right side
    37,134.99x = 1,087,345,483.45
  5. Step 5: Solve for x
    x = 1,087,345,483.45/37,134.99
  6. Step 6: Final answer
    x = 29,280.89

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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.