Home / 36,288.96-54,433.76-9,993.12

Finding the Fourth Proportional to 36,288.96, 54,433.76 and 9,993.12

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Solution

The fourth proportional to 36,288.96, 54,433.76 and 9,993.12 is: 14,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288.96 : 54,433.76 = 9,993.12 : x
  2. Step 2: Convert to fraction form
    36,288.96/54,433.76 = 9,993.12/x
  3. Step 3: Cross multiply
    36,288.96x = 54,433.76 × 9,993.12
  4. Step 4: Simplify right side
    36,288.96x = 543,963,095.73
  5. Step 5: Solve for x
    x = 543,963,095.73/36,288.96
  6. Step 6: Final answer
    x = 14,989.77

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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.