Home / 29,107.40-43,624.56-12,447.84

Finding the Fourth Proportional to 29,107.40, 43,624.56 and 12,447.84

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Solution

The fourth proportional to 29,107.40, 43,624.56 and 12,447.84 is: 18,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107.40 : 43,624.56 = 12,447.84 : x
  2. Step 2: Convert to fraction form
    29,107.40/43,624.56 = 12,447.84/x
  3. Step 3: Cross multiply
    29,107.40x = 43,624.56 × 12,447.84
  4. Step 4: Simplify right side
    29,107.40x = 543,031,542.95
  5. Step 5: Solve for x
    x = 543,031,542.95/29,107.40
  6. Step 6: Final answer
    x = 18,656.13

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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.