Home / 44,712.72-67,079.45-13,121.50

Finding the Fourth Proportional to 44,712.72, 67,079.45 and 13,121.50

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Solution

The fourth proportional to 44,712.72, 67,079.45 and 13,121.50 is: 19,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,712.72 : 67,079.45 = 13,121.50 : x
  2. Step 2: Convert to fraction form
    44,712.72/67,079.45 = 13,121.50/x
  3. Step 3: Cross multiply
    44,712.72x = 67,079.45 × 13,121.50
  4. Step 4: Simplify right side
    44,712.72x = 880,183,003.18
  5. Step 5: Solve for x
    x = 880,183,003.18/44,712.72
  6. Step 6: Final answer
    x = 19,685.29

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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.