Home / 48,496.90-72,745.34-13,436.54

Finding the Fourth Proportional to 48,496.90, 72,745.34 and 13,436.54

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Solution

The fourth proportional to 48,496.90, 72,745.34 and 13,436.54 is: 20,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,496.90 : 72,745.34 = 13,436.54 : x
  2. Step 2: Convert to fraction form
    48,496.90/72,745.34 = 13,436.54/x
  3. Step 3: Cross multiply
    48,496.90x = 72,745.34 × 13,436.54
  4. Step 4: Simplify right side
    48,496.90x = 977,445,670.72
  5. Step 5: Solve for x
    x = 977,445,670.72/48,496.90
  6. Step 6: Final answer
    x = 20,154.81

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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.