Home / 41,111.37-56,686.40-30,371.79

Finding the Fourth Proportional to 41,111.37, 56,686.40 and 30,371.79

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Solution

The fourth proportional to 41,111.37, 56,686.40 and 30,371.79 is: 41,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,111.37 : 56,686.40 = 30,371.79 : x
  2. Step 2: Convert to fraction form
    41,111.37/56,686.40 = 30,371.79/x
  3. Step 3: Cross multiply
    41,111.37x = 56,686.40 × 30,371.79
  4. Step 4: Simplify right side
    41,111.37x = 1,721,667,001.37
  5. Step 5: Solve for x
    x = 1,721,667,001.37/41,111.37
  6. Step 6: Final answer
    x = 41,878.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.