Home / 39,983.43-59,909.50-13,673.82

Finding the Fourth Proportional to 39,983.43, 59,909.50 and 13,673.82

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Solution

The fourth proportional to 39,983.43, 59,909.50 and 13,673.82 is: 20,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.43 : 59,909.50 = 13,673.82 : x
  2. Step 2: Convert to fraction form
    39,983.43/59,909.50 = 13,673.82/x
  3. Step 3: Cross multiply
    39,983.43x = 59,909.50 × 13,673.82
  4. Step 4: Simplify right side
    39,983.43x = 819,191,736.38
  5. Step 5: Solve for x
    x = 819,191,736.38/39,983.43
  6. Step 6: Final answer
    x = 20,488.28

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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.