Home / 29,286.45-43,929.27-18,761.58

Finding the Fourth Proportional to 29,286.45, 43,929.27 and 18,761.58

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Solution

The fourth proportional to 29,286.45, 43,929.27 and 18,761.58 is: 28,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,286.45 : 43,929.27 = 18,761.58 : x
  2. Step 2: Convert to fraction form
    29,286.45/43,929.27 = 18,761.58/x
  3. Step 3: Cross multiply
    29,286.45x = 43,929.27 × 18,761.58
  4. Step 4: Simplify right side
    29,286.45x = 824,182,513.45
  5. Step 5: Solve for x
    x = 824,182,513.45/29,286.45
  6. Step 6: Final answer
    x = 28,142.11

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1.5x scale

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.