Home / 45,342.36-68,013.45-12,062.42

Finding the Fourth Proportional to 45,342.36, 68,013.45 and 12,062.42

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Solution

The fourth proportional to 45,342.36, 68,013.45 and 12,062.42 is: 18,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,342.36 : 68,013.45 = 12,062.42 : x
  2. Step 2: Convert to fraction form
    45,342.36/68,013.45 = 12,062.42/x
  3. Step 3: Cross multiply
    45,342.36x = 68,013.45 × 12,062.42
  4. Step 4: Simplify right side
    45,342.36x = 820,407,014.82
  5. Step 5: Solve for x
    x = 820,407,014.82/45,342.36
  6. Step 6: Final answer
    x = 18,093.61

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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.