Home / 37,821.90-52,193.80-20,825.81

Finding the Fourth Proportional to 37,821.90, 52,193.80 and 20,825.81

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Solution

The fourth proportional to 37,821.90, 52,193.80 and 20,825.81 is: 28,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.90 : 52,193.80 = 20,825.81 : x
  2. Step 2: Convert to fraction form
    37,821.90/52,193.80 = 20,825.81/x
  3. Step 3: Cross multiply
    37,821.90x = 52,193.80 × 20,825.81
  4. Step 4: Simplify right side
    37,821.90x = 1,086,978,122.77
  5. Step 5: Solve for x
    x = 1,086,978,122.77/37,821.90
  6. Step 6: Final answer
    x = 28,739.38

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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.