Home / 45,020.78-62,128.31-24,879.02

Finding the Fourth Proportional to 45,020.78, 62,128.31 and 24,879.02

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Solution

The fourth proportional to 45,020.78, 62,128.31 and 24,879.02 is: 34,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,020.78 : 62,128.31 = 24,879.02 : x
  2. Step 2: Convert to fraction form
    45,020.78/62,128.31 = 24,879.02/x
  3. Step 3: Cross multiply
    45,020.78x = 62,128.31 × 24,879.02
  4. Step 4: Simplify right side
    45,020.78x = 1,545,691,032.02
  5. Step 5: Solve for x
    x = 1,545,691,032.02/45,020.78
  6. Step 6: Final answer
    x = 34,332.84

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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.