Home / 57,827.93-86,726.30-20,383.11

Finding the Fourth Proportional to 57,827.93, 86,726.30 and 20,383.11

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Solution

The fourth proportional to 57,827.93, 86,726.30 and 20,383.11 is: 30,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,827.93 : 86,726.30 = 20,383.11 : x
  2. Step 2: Convert to fraction form
    57,827.93/86,726.30 = 20,383.11/x
  3. Step 3: Cross multiply
    57,827.93x = 86,726.30 × 20,383.11
  4. Step 4: Simplify right side
    57,827.93x = 1,767,751,610.88
  5. Step 5: Solve for x
    x = 1,767,751,610.88/57,827.93
  6. Step 6: Final answer
    x = 30,569.17

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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.