Home / 37,117.83-51,217.02-21,198.90

Finding the Fourth Proportional to 37,117.83, 51,217.02 and 21,198.90

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Solution

The fourth proportional to 37,117.83, 51,217.02 and 21,198.90 is: 29,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.83 : 51,217.02 = 21,198.90 : x
  2. Step 2: Convert to fraction form
    37,117.83/51,217.02 = 21,198.90/x
  3. Step 3: Cross multiply
    37,117.83x = 51,217.02 × 21,198.90
  4. Step 4: Simplify right side
    37,117.83x = 1,085,744,485.28
  5. Step 5: Solve for x
    x = 1,085,744,485.28/37,117.83
  6. Step 6: Final answer
    x = 29,251.29

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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.