Home / 36,288.38-54,431.76-9,992.54

Finding the Fourth Proportional to 36,288.38, 54,431.76 and 9,992.54

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Solution

The fourth proportional to 36,288.38, 54,431.76 and 9,992.54 is: 14,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288.38 : 54,431.76 = 9,992.54 : x
  2. Step 2: Convert to fraction form
    36,288.38/54,431.76 = 9,992.54/x
  3. Step 3: Cross multiply
    36,288.38x = 54,431.76 × 9,992.54
  4. Step 4: Simplify right side
    36,288.38x = 543,911,539.07
  5. Step 5: Solve for x
    x = 543,911,539.07/36,288.38
  6. Step 6: Final answer
    x = 14,988.59

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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.