Home / 34,511.80-47,517.06-31,358.56

Finding the Fourth Proportional to 34,511.80, 47,517.06 and 31,358.56

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Solution

The fourth proportional to 34,511.80, 47,517.06 and 31,358.56 is: 43,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,511.80 : 47,517.06 = 31,358.56 : x
  2. Step 2: Convert to fraction form
    34,511.80/47,517.06 = 31,358.56/x
  3. Step 3: Cross multiply
    34,511.80x = 47,517.06 × 31,358.56
  4. Step 4: Simplify right side
    34,511.80x = 1,490,066,577.03
  5. Step 5: Solve for x
    x = 1,490,066,577.03/34,511.80
  6. Step 6: Final answer
    x = 43,175.57

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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.