Home / 29,242.79-43,829.40-13,434.42

Finding the Fourth Proportional to 29,242.79, 43,829.40 and 13,434.42

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Solution

The fourth proportional to 29,242.79, 43,829.40 and 13,434.42 is: 20,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,242.79 : 43,829.40 = 13,434.42 : x
  2. Step 2: Convert to fraction form
    29,242.79/43,829.40 = 13,434.42/x
  3. Step 3: Cross multiply
    29,242.79x = 43,829.40 × 13,434.42
  4. Step 4: Simplify right side
    29,242.79x = 588,822,782.69
  5. Step 5: Solve for x
    x = 588,822,782.69/29,242.79
  6. Step 6: Final answer
    x = 20,135.66

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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.