Home / 29,006.86-43,522.69-12,143.81

Finding the Fourth Proportional to 29,006.86, 43,522.69 and 12,143.81

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Solution

The fourth proportional to 29,006.86, 43,522.69 and 12,143.81 is: 18,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,006.86 : 43,522.69 = 12,143.81 : x
  2. Step 2: Convert to fraction form
    29,006.86/43,522.69 = 12,143.81/x
  3. Step 3: Cross multiply
    29,006.86x = 43,522.69 × 12,143.81
  4. Step 4: Simplify right side
    29,006.86x = 528,531,060.44
  5. Step 5: Solve for x
    x = 528,531,060.44/29,006.86
  6. Step 6: Final answer
    x = 18,220.90

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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.