Home / 48,374.80-72,590.20-20,292.36

Finding the Fourth Proportional to 48,374.80, 72,590.20 and 20,292.36

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Solution

The fourth proportional to 48,374.80, 72,590.20 and 20,292.36 is: 30,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,374.80 : 72,590.20 = 20,292.36 : x
  2. Step 2: Convert to fraction form
    48,374.80/72,590.20 = 20,292.36/x
  3. Step 3: Cross multiply
    48,374.80x = 72,590.20 × 20,292.36
  4. Step 4: Simplify right side
    48,374.80x = 1,473,026,470.87
  5. Step 5: Solve for x
    x = 1,473,026,470.87/48,374.80
  6. Step 6: Final answer
    x = 30,450.29

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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.