Home / 34,752.21-52,120.32-20,716.20

Finding the Fourth Proportional to 34,752.21, 52,120.32 and 20,716.20

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Solution

The fourth proportional to 34,752.21, 52,120.32 and 20,716.20 is: 31,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,752.21 : 52,120.32 = 20,716.20 : x
  2. Step 2: Convert to fraction form
    34,752.21/52,120.32 = 20,716.20/x
  3. Step 3: Cross multiply
    34,752.21x = 52,120.32 × 20,716.20
  4. Step 4: Simplify right side
    34,752.21x = 1,079,734,973.18
  5. Step 5: Solve for x
    x = 1,079,734,973.18/34,752.21
  6. Step 6: Final answer
    x = 31,069.53

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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.