Home / 45,147.48-67,676.64-21,413.40

Finding the Fourth Proportional to 45,147.48, 67,676.64 and 21,413.40

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Solution

The fourth proportional to 45,147.48, 67,676.64 and 21,413.40 is: 32,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,147.48 : 67,676.64 = 21,413.40 : x
  2. Step 2: Convert to fraction form
    45,147.48/67,676.64 = 21,413.40/x
  3. Step 3: Cross multiply
    45,147.48x = 67,676.64 × 21,413.40
  4. Step 4: Simplify right side
    45,147.48x = 1,449,186,962.98
  5. Step 5: Solve for x
    x = 1,449,186,962.98/45,147.48
  6. Step 6: Final answer
    x = 32,098.96

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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.