Home / 29,431.69-40,627.51-18,105.73

Finding the Fourth Proportional to 29,431.69, 40,627.51 and 18,105.73

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Solution

The fourth proportional to 29,431.69, 40,627.51 and 18,105.73 is: 24,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,431.69 : 40,627.51 = 18,105.73 : x
  2. Step 2: Convert to fraction form
    29,431.69/40,627.51 = 18,105.73/x
  3. Step 3: Cross multiply
    29,431.69x = 40,627.51 × 18,105.73
  4. Step 4: Simplify right side
    29,431.69x = 735,590,579.80
  5. Step 5: Solve for x
    x = 735,590,579.80/29,431.69
  6. Step 6: Final answer
    x = 24,993.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.