Home / 34,751.22-52,118.82-20,715.20

Finding the Fourth Proportional to 34,751.22, 52,118.82 and 20,715.20

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Solution

The fourth proportional to 34,751.22, 52,118.82 and 20,715.20 is: 31,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,751.22 : 52,118.82 = 20,715.20 : x
  2. Step 2: Convert to fraction form
    34,751.22/52,118.82 = 20,715.20/x
  3. Step 3: Cross multiply
    34,751.22x = 52,118.82 × 20,715.20
  4. Step 4: Simplify right side
    34,751.22x = 1,079,651,780.06
  5. Step 5: Solve for x
    x = 1,079,651,780.06/34,751.22
  6. Step 6: Final answer
    x = 31,068.03

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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.