Home / 29,020.14-43,530.21-7,960.28

Finding the Fourth Proportional to 29,020.14, 43,530.21 and 7,960.28

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Solution

The fourth proportional to 29,020.14, 43,530.21 and 7,960.28 is: 11,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,020.14 : 43,530.21 = 7,960.28 : x
  2. Step 2: Convert to fraction form
    29,020.14/43,530.21 = 7,960.28/x
  3. Step 3: Cross multiply
    29,020.14x = 43,530.21 × 7,960.28
  4. Step 4: Simplify right side
    29,020.14x = 346,512,442.41
  5. Step 5: Solve for x
    x = 346,512,442.41/29,020.14
  6. Step 6: Final answer
    x = 11,940.41

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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.