Home / 48,345.55-72,521.82-20,237.33

Finding the Fourth Proportional to 48,345.55, 72,521.82 and 20,237.33

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Solution

The fourth proportional to 48,345.55, 72,521.82 and 20,237.33 is: 30,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,345.55 : 72,521.82 = 20,237.33 : x
  2. Step 2: Convert to fraction form
    48,345.55/72,521.82 = 20,237.33/x
  3. Step 3: Cross multiply
    48,345.55x = 72,521.82 × 20,237.33
  4. Step 4: Simplify right side
    48,345.55x = 1,467,648,003.54
  5. Step 5: Solve for x
    x = 1,467,648,003.54/48,345.55
  6. Step 6: Final answer
    x = 30,357.46

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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.