Home / 36,885.60-55,328.34-9,183.60

Finding the Fourth Proportional to 36,885.60, 55,328.34 and 9,183.60

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Solution

The fourth proportional to 36,885.60, 55,328.34 and 9,183.60 is: 13,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.60 : 55,328.34 = 9,183.60 : x
  2. Step 2: Convert to fraction form
    36,885.60/55,328.34 = 9,183.60/x
  3. Step 3: Cross multiply
    36,885.60x = 55,328.34 × 9,183.60
  4. Step 4: Simplify right side
    36,885.60x = 508,113,343.22
  5. Step 5: Solve for x
    x = 508,113,343.22/36,885.60
  6. Step 6: Final answer
    x = 13,775.39

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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.