Home / 36,905.78-55,359.12-10,610.75

Finding the Fourth Proportional to 36,905.78, 55,359.12 and 10,610.75

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Solution

The fourth proportional to 36,905.78, 55,359.12 and 10,610.75 is: 15,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905.78 : 55,359.12 = 10,610.75 : x
  2. Step 2: Convert to fraction form
    36,905.78/55,359.12 = 10,610.75/x
  3. Step 3: Cross multiply
    36,905.78x = 55,359.12 × 10,610.75
  4. Step 4: Simplify right side
    36,905.78x = 587,401,782.54
  5. Step 5: Solve for x
    x = 587,401,782.54/36,905.78
  6. Step 6: Final answer
    x = 15,916.25

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1.5x scale

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.