Home / 37,616.54-51,910.81-20,620.31

Finding the Fourth Proportional to 37,616.54, 51,910.81 and 20,620.31

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Solution

The fourth proportional to 37,616.54, 51,910.81 and 20,620.31 is: 28,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,616.54 : 51,910.81 = 20,620.31 : x
  2. Step 2: Convert to fraction form
    37,616.54/51,910.81 = 20,620.31/x
  3. Step 3: Cross multiply
    37,616.54x = 51,910.81 × 20,620.31
  4. Step 4: Simplify right side
    37,616.54x = 1,070,416,683.45
  5. Step 5: Solve for x
    x = 1,070,416,683.45/37,616.54
  6. Step 6: Final answer
    x = 28,456.01

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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.