Home / 45,383.20-68,085.32-15,395.85

Finding the Fourth Proportional to 45,383.20, 68,085.32 and 15,395.85

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Solution

The fourth proportional to 45,383.20, 68,085.32 and 15,395.85 is: 23,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,383.20 : 68,085.32 = 15,395.85 : x
  2. Step 2: Convert to fraction form
    45,383.20/68,085.32 = 15,395.85/x
  3. Step 3: Cross multiply
    45,383.20x = 68,085.32 × 15,395.85
  4. Step 4: Simplify right side
    45,383.20x = 1,048,230,956.52
  5. Step 5: Solve for x
    x = 1,048,230,956.52/45,383.20
  6. Step 6: Final answer
    x = 23,097.33

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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.