Home / 29,206.18-43,815.78-8,429.68

Finding the Fourth Proportional to 29,206.18, 43,815.78 and 8,429.68

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Solution

The fourth proportional to 29,206.18, 43,815.78 and 8,429.68 is: 12,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,206.18 : 43,815.78 = 8,429.68 : x
  2. Step 2: Convert to fraction form
    29,206.18/43,815.78 = 8,429.68/x
  3. Step 3: Cross multiply
    29,206.18x = 43,815.78 × 8,429.68
  4. Step 4: Simplify right side
    29,206.18x = 369,353,004.35
  5. Step 5: Solve for x
    x = 369,353,004.35/29,206.18
  6. Step 6: Final answer
    x = 12,646.40

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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.