Home / 29,300.00-40,434.05-15,871.36

Finding the Fourth Proportional to 29,300.00, 40,434.05 and 15,871.36

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Solution

The fourth proportional to 29,300.00, 40,434.05 and 15,871.36 is: 21,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,300.00 : 40,434.05 = 15,871.36 : x
  2. Step 2: Convert to fraction form
    29,300.00/40,434.05 = 15,871.36/x
  3. Step 3: Cross multiply
    29,300.00x = 40,434.05 × 15,871.36
  4. Step 4: Simplify right side
    29,300.00x = 641,743,440.57
  5. Step 5: Solve for x
    x = 641,743,440.57/29,300.00
  6. Step 6: Final answer
    x = 21,902.51

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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.