Home / 36,967.78-55,460.40-12,007.90

Finding the Fourth Proportional to 36,967.78, 55,460.40 and 12,007.90

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Solution

The fourth proportional to 36,967.78, 55,460.40 and 12,007.90 is: 18,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,967.78 : 55,460.40 = 12,007.90 : x
  2. Step 2: Convert to fraction form
    36,967.78/55,460.40 = 12,007.90/x
  3. Step 3: Cross multiply
    36,967.78x = 55,460.40 × 12,007.90
  4. Step 4: Simplify right side
    36,967.78x = 665,962,937.16
  5. Step 5: Solve for x
    x = 665,962,937.16/36,967.78
  6. Step 6: Final answer
    x = 18,014.69

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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.