Home / 37,773.45-52,124.79-21,640.80

Finding the Fourth Proportional to 37,773.45, 52,124.79 and 21,640.80

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Solution

The fourth proportional to 37,773.45, 52,124.79 and 21,640.80 is: 29,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,773.45 : 52,124.79 = 21,640.80 : x
  2. Step 2: Convert to fraction form
    37,773.45/52,124.79 = 21,640.80/x
  3. Step 3: Cross multiply
    37,773.45x = 52,124.79 × 21,640.80
  4. Step 4: Simplify right side
    37,773.45x = 1,128,022,155.43
  5. Step 5: Solve for x
    x = 1,128,022,155.43/37,773.45
  6. Step 6: Final answer
    x = 29,862.83

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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.