Home / 45,349.78-68,024.56-12,069.84

Finding the Fourth Proportional to 45,349.78, 68,024.56 and 12,069.84

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Solution

The fourth proportional to 45,349.78, 68,024.56 and 12,069.84 is: 18,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349.78 : 68,024.56 = 12,069.84 : x
  2. Step 2: Convert to fraction form
    45,349.78/68,024.56 = 12,069.84/x
  3. Step 3: Cross multiply
    45,349.78x = 68,024.56 × 12,069.84
  4. Step 4: Simplify right side
    45,349.78x = 821,045,555.27
  5. Step 5: Solve for x
    x = 821,045,555.27/45,349.78
  6. Step 6: Final answer
    x = 18,104.73

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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.