Home / 39,972.94-59,893.80-13,663.33

Finding the Fourth Proportional to 39,972.94, 59,893.80 and 13,663.33

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Solution

The fourth proportional to 39,972.94, 59,893.80 and 13,663.33 is: 20,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,972.94 : 59,893.80 = 13,663.33 : x
  2. Step 2: Convert to fraction form
    39,972.94/59,893.80 = 13,663.33/x
  3. Step 3: Cross multiply
    39,972.94x = 59,893.80 × 13,663.33
  4. Step 4: Simplify right side
    39,972.94x = 818,349,005.57
  5. Step 5: Solve for x
    x = 818,349,005.57/39,972.94
  6. Step 6: Final answer
    x = 20,472.57

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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.