Home / 29,230.80-43,846.20-19,899.60

Finding the Fourth Proportional to 29,230.80, 43,846.20 and 19,899.60

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Solution

The fourth proportional to 29,230.80, 43,846.20 and 19,899.60 is: 29,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.80 : 43,846.20 = 19,899.60 : x
  2. Step 2: Convert to fraction form
    29,230.80/43,846.20 = 19,899.60/x
  3. Step 3: Cross multiply
    29,230.80x = 43,846.20 × 19,899.60
  4. Step 4: Simplify right side
    29,230.80x = 872,521,841.52
  5. Step 5: Solve for x
    x = 872,521,841.52/29,230.80
  6. Step 6: Final answer
    x = 29,849.40

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Double scale
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Similar ratio
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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.