Home / 29,104.61-43,620.38-12,445.05

Finding the Fourth Proportional to 29,104.61, 43,620.38 and 12,445.05

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Solution

The fourth proportional to 29,104.61, 43,620.38 and 12,445.05 is: 18,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,104.61 : 43,620.38 = 12,445.05 : x
  2. Step 2: Convert to fraction form
    29,104.61/43,620.38 = 12,445.05/x
  3. Step 3: Cross multiply
    29,104.61x = 43,620.38 × 12,445.05
  4. Step 4: Simplify right side
    29,104.61x = 542,857,623.13
  5. Step 5: Solve for x
    x = 542,857,623.13/29,104.61
  6. Step 6: Final answer
    x = 18,651.95

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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.