Home / 29,137.83-43,706.78-12,487.06

Finding the Fourth Proportional to 29,137.83, 43,706.78 and 12,487.06

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Solution

The fourth proportional to 29,137.83, 43,706.78 and 12,487.06 is: 18,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,137.83 : 43,706.78 = 12,487.06 : x
  2. Step 2: Convert to fraction form
    29,137.83/43,706.78 = 12,487.06/x
  3. Step 3: Cross multiply
    29,137.83x = 43,706.78 × 12,487.06
  4. Step 4: Simplify right side
    29,137.83x = 545,769,184.27
  5. Step 5: Solve for x
    x = 545,769,184.27/29,137.83
  6. Step 6: Final answer
    x = 18,730.60

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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.