Home / 20,494.54-30,741.85-5,703.46

Finding the Fourth Proportional to 20,494.54, 30,741.85 and 5,703.46

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Solution

The fourth proportional to 20,494.54, 30,741.85 and 5,703.46 is: 8,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494.54 : 30,741.85 = 5,703.46 : x
  2. Step 2: Convert to fraction form
    20,494.54/30,741.85 = 5,703.46/x
  3. Step 3: Cross multiply
    20,494.54x = 30,741.85 × 5,703.46
  4. Step 4: Simplify right side
    20,494.54x = 175,335,031.04
  5. Step 5: Solve for x
    x = 175,335,031.04/20,494.54
  6. Step 6: Final answer
    x = 8,555.21

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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.