Home / 29,005.12-40,021.32-17,068.96

Finding the Fourth Proportional to 29,005.12, 40,021.32 and 17,068.96

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Solution

The fourth proportional to 29,005.12, 40,021.32 and 17,068.96 is: 23,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.12 : 40,021.32 = 17,068.96 : x
  2. Step 2: Convert to fraction form
    29,005.12/40,021.32 = 17,068.96/x
  3. Step 3: Cross multiply
    29,005.12x = 40,021.32 × 17,068.96
  4. Step 4: Simplify right side
    29,005.12x = 683,122,310.23
  5. Step 5: Solve for x
    x = 683,122,310.23/29,005.12
  6. Step 6: Final answer
    x = 23,551.78

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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.