Home / 34,755.24-52,124.82-20,719.20

Finding the Fourth Proportional to 34,755.24, 52,124.82 and 20,719.20

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Solution

The fourth proportional to 34,755.24, 52,124.82 and 20,719.20 is: 31,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,755.24 : 52,124.82 = 20,719.20 : x
  2. Step 2: Convert to fraction form
    34,755.24/52,124.82 = 20,719.20/x
  3. Step 3: Cross multiply
    34,755.24x = 52,124.82 × 20,719.20
  4. Step 4: Simplify right side
    34,755.24x = 1,079,984,570.54
  5. Step 5: Solve for x
    x = 1,079,984,570.54/34,755.24
  6. Step 6: Final answer
    x = 31,074.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.