Home / 45,343.52-68,015.19-12,063.59

Finding the Fourth Proportional to 45,343.52, 68,015.19 and 12,063.59

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Solution

The fourth proportional to 45,343.52, 68,015.19 and 12,063.59 is: 18,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,343.52 : 68,015.19 = 12,063.59 : x
  2. Step 2: Convert to fraction form
    45,343.52/68,015.19 = 12,063.59/x
  3. Step 3: Cross multiply
    45,343.52x = 68,015.19 × 12,063.59
  4. Step 4: Simplify right side
    45,343.52x = 820,507,025.86
  5. Step 5: Solve for x
    x = 820,507,025.86/45,343.52
  6. Step 6: Final answer
    x = 18,095.36

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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.