Home / 39,973.36-59,961-13,677.92

Finding the Fourth Proportional to 39,973.36, 59,961 and 13,677.92

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Solution

The fourth proportional to 39,973.36, 59,961 and 13,677.92 is: 20,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,973.36 : 59,961 = 13,677.92 : x
  2. Step 2: Convert to fraction form
    39,973.36/59,961 = 13,677.92/x
  3. Step 3: Cross multiply
    39,973.36x = 59,961 × 13,677.92
  4. Step 4: Simplify right side
    39,973.36x = 820,141,761.12
  5. Step 5: Solve for x
    x = 820,141,761.12/39,973.36
  6. Step 6: Final answer
    x = 20,517.21

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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.