Home / 39,761.99-59,644.81-28,127.15

Finding the Fourth Proportional to 39,761.99, 59,644.81 and 28,127.15

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Solution

The fourth proportional to 39,761.99, 59,644.81 and 28,127.15 is: 42,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.99 : 59,644.81 = 28,127.15 : x
  2. Step 2: Convert to fraction form
    39,761.99/59,644.81 = 28,127.15/x
  3. Step 3: Cross multiply
    39,761.99x = 59,644.81 × 28,127.15
  4. Step 4: Simplify right side
    39,761.99x = 1,677,638,517.59
  5. Step 5: Solve for x
    x = 1,677,638,517.59/39,761.99
  6. Step 6: Final answer
    x = 42,192.02

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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.