Home / 37,135.99-51,246.76-21,219.41

Finding the Fourth Proportional to 37,135.99, 51,246.76 and 21,219.41

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Solution

The fourth proportional to 37,135.99, 51,246.76 and 21,219.41 is: 29,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,135.99 : 51,246.76 = 21,219.41 : x
  2. Step 2: Convert to fraction form
    37,135.99/51,246.76 = 21,219.41/x
  3. Step 3: Cross multiply
    37,135.99x = 51,246.76 × 21,219.41
  4. Step 4: Simplify right side
    37,135.99x = 1,087,426,011.61
  5. Step 5: Solve for x
    x = 1,087,426,011.61/37,135.99
  6. Step 6: Final answer
    x = 29,282.27

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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.