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Finding the Fourth Proportional to 37,006.80, 55,477.80 and 22,221.60

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Solution

The fourth proportional to 37,006.80, 55,477.80 and 22,221.60 is: 33,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,006.80 : 55,477.80 = 22,221.60 : x
  2. Step 2: Convert to fraction form
    37,006.80/55,477.80 = 22,221.60/x
  3. Step 3: Cross multiply
    37,006.80x = 55,477.80 × 22,221.60
  4. Step 4: Simplify right side
    37,006.80x = 1,232,805,480.48
  5. Step 5: Solve for x
    x = 1,232,805,480.48/37,006.80
  6. Step 6: Final answer
    x = 33,312.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.