Home / 29,291.64-43,930.52-12,642.58

Finding the Fourth Proportional to 29,291.64, 43,930.52 and 12,642.58

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Solution

The fourth proportional to 29,291.64, 43,930.52 and 12,642.58 is: 18,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,291.64 : 43,930.52 = 12,642.58 : x
  2. Step 2: Convert to fraction form
    29,291.64/43,930.52 = 12,642.58/x
  3. Step 3: Cross multiply
    29,291.64x = 43,930.52 × 12,642.58
  4. Step 4: Simplify right side
    29,291.64x = 555,395,152.65
  5. Step 5: Solve for x
    x = 555,395,152.65/29,291.64
  6. Step 6: Final answer
    x = 18,960.87

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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.