Home / 36,712.28-55,060.11-16,980

Finding the Fourth Proportional to 36,712.28, 55,060.11 and 16,980

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Solution

The fourth proportional to 36,712.28, 55,060.11 and 16,980 is: 25,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,712.28 : 55,060.11 = 16,980 : x
  2. Step 2: Convert to fraction form
    36,712.28/55,060.11 = 16,980/x
  3. Step 3: Cross multiply
    36,712.28x = 55,060.11 × 16,980
  4. Step 4: Simplify right side
    36,712.28x = 934,920,667.80
  5. Step 5: Solve for x
    x = 934,920,667.80/36,712.28
  6. Step 6: Final answer
    x = 25,466.16

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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.