Home / 42,020.73-57,992.22-23,161.50

Finding the Fourth Proportional to 42,020.73, 57,992.22 and 23,161.50

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Solution

The fourth proportional to 42,020.73, 57,992.22 and 23,161.50 is: 31,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020.73 : 57,992.22 = 23,161.50 : x
  2. Step 2: Convert to fraction form
    42,020.73/57,992.22 = 23,161.50/x
  3. Step 3: Cross multiply
    42,020.73x = 57,992.22 × 23,161.50
  4. Step 4: Simplify right side
    42,020.73x = 1,343,186,803.53
  5. Step 5: Solve for x
    x = 1,343,186,803.53/42,020.73
  6. Step 6: Final answer
    x = 31,964.86

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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.