Home / 37,773.75-52,128.92-20,777.12

Finding the Fourth Proportional to 37,773.75, 52,128.92 and 20,777.12

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Solution

The fourth proportional to 37,773.75, 52,128.92 and 20,777.12 is: 28,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,773.75 : 52,128.92 = 20,777.12 : x
  2. Step 2: Convert to fraction form
    37,773.75/52,128.92 = 20,777.12/x
  3. Step 3: Cross multiply
    37,773.75x = 52,128.92 × 20,777.12
  4. Step 4: Simplify right side
    37,773.75x = 1,083,088,826.31
  5. Step 5: Solve for x
    x = 1,083,088,826.31/37,773.75
  6. Step 6: Final answer
    x = 28,673.06

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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.