Home / 48,353.92-72,388.32-47,161.60

Finding the Fourth Proportional to 48,353.92, 72,388.32 and 47,161.60

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Solution

The fourth proportional to 48,353.92, 72,388.32 and 47,161.60 is: 70,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,353.92 : 72,388.32 = 47,161.60 : x
  2. Step 2: Convert to fraction form
    48,353.92/72,388.32 = 47,161.60/x
  3. Step 3: Cross multiply
    48,353.92x = 72,388.32 × 47,161.60
  4. Step 4: Simplify right side
    48,353.92x = 3,413,948,992.51
  5. Step 5: Solve for x
    x = 3,413,948,992.51/48,353.92
  6. Step 6: Final answer
    x = 70,603.36

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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.