Home / 37,216.91-51,358.41-20,220.75

Finding the Fourth Proportional to 37,216.91, 51,358.41 and 20,220.75

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Solution

The fourth proportional to 37,216.91, 51,358.41 and 20,220.75 is: 27,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,216.91 : 51,358.41 = 20,220.75 : x
  2. Step 2: Convert to fraction form
    37,216.91/51,358.41 = 20,220.75/x
  3. Step 3: Cross multiply
    37,216.91x = 51,358.41 × 20,220.75
  4. Step 4: Simplify right side
    37,216.91x = 1,038,505,569.01
  5. Step 5: Solve for x
    x = 1,038,505,569.01/37,216.91
  6. Step 6: Final answer
    x = 27,904.14

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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.