Home / 29,121.62-43,673.18-12,477.20

Finding the Fourth Proportional to 29,121.62, 43,673.18 and 12,477.20

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Solution

The fourth proportional to 29,121.62, 43,673.18 and 12,477.20 is: 18,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.62 : 43,673.18 = 12,477.20 : x
  2. Step 2: Convert to fraction form
    29,121.62/43,673.18 = 12,477.20/x
  3. Step 3: Cross multiply
    29,121.62x = 43,673.18 × 12,477.20
  4. Step 4: Simplify right side
    29,121.62x = 544,918,720.74
  5. Step 5: Solve for x
    x = 544,918,720.74/29,121.62
  6. Step 6: Final answer
    x = 18,711.83

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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.