Home / 37,686.26-52,006.82-20,690.79

Finding the Fourth Proportional to 37,686.26, 52,006.82 and 20,690.79

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Solution

The fourth proportional to 37,686.26, 52,006.82 and 20,690.79 is: 28,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,686.26 : 52,006.82 = 20,690.79 : x
  2. Step 2: Convert to fraction form
    37,686.26/52,006.82 = 20,690.79/x
  3. Step 3: Cross multiply
    37,686.26x = 52,006.82 × 20,690.79
  4. Step 4: Simplify right side
    37,686.26x = 1,076,062,087.73
  5. Step 5: Solve for x
    x = 1,076,062,087.73/37,686.26
  6. Step 6: Final answer
    x = 28,553.17

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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.