Home / 37,216.87-51,359.06-20,220.99

Finding the Fourth Proportional to 37,216.87, 51,359.06 and 20,220.99

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Solution

The fourth proportional to 37,216.87, 51,359.06 and 20,220.99 is: 27,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,216.87 : 51,359.06 = 20,220.99 : x
  2. Step 2: Convert to fraction form
    37,216.87/51,359.06 = 20,220.99/x
  3. Step 3: Cross multiply
    37,216.87x = 51,359.06 × 20,220.99
  4. Step 4: Simplify right side
    37,216.87x = 1,038,531,185.52
  5. Step 5: Solve for x
    x = 1,038,531,185.52/37,216.87
  6. Step 6: Final answer
    x = 27,904.85

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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.