Home / 29,106.87-43,623.80-12,447.35

Finding the Fourth Proportional to 29,106.87, 43,623.80 and 12,447.35

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Solution

The fourth proportional to 29,106.87, 43,623.80 and 12,447.35 is: 18,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,106.87 : 43,623.80 = 12,447.35 : x
  2. Step 2: Convert to fraction form
    29,106.87/43,623.80 = 12,447.35/x
  3. Step 3: Cross multiply
    29,106.87x = 43,623.80 × 12,447.35
  4. Step 4: Simplify right side
    29,106.87x = 543,000,426.57
  5. Step 5: Solve for x
    x = 543,000,426.57/29,106.87
  6. Step 6: Final answer
    x = 18,655.40

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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.