Home / 29,141.77-40,215.70-17,205.87

Finding the Fourth Proportional to 29,141.77, 40,215.70 and 17,205.87

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Solution

The fourth proportional to 29,141.77, 40,215.70 and 17,205.87 is: 23,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,141.77 : 40,215.70 = 17,205.87 : x
  2. Step 2: Convert to fraction form
    29,141.77/40,215.70 = 17,205.87/x
  3. Step 3: Cross multiply
    29,141.77x = 40,215.70 × 17,205.87
  4. Step 4: Simplify right side
    29,141.77x = 691,946,020.13
  5. Step 5: Solve for x
    x = 691,946,020.13/29,141.77
  6. Step 6: Final answer
    x = 23,744.14

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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.