Home / 29,300.43-40,434.48-15,871.59

Finding the Fourth Proportional to 29,300.43, 40,434.48 and 15,871.59

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Solution

The fourth proportional to 29,300.43, 40,434.48 and 15,871.59 is: 21,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,300.43 : 40,434.48 = 15,871.59 : x
  2. Step 2: Convert to fraction form
    29,300.43/40,434.48 = 15,871.59/x
  3. Step 3: Cross multiply
    29,300.43x = 40,434.48 × 15,871.59
  4. Step 4: Simplify right side
    29,300.43x = 641,759,488.42
  5. Step 5: Solve for x
    x = 641,759,488.42/29,300.43
  6. Step 6: Final answer
    x = 21,902.73

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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.