Home / 45,669.32-68,498.44-12,387.32

Finding the Fourth Proportional to 45,669.32, 68,498.44 and 12,387.32

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Solution

The fourth proportional to 45,669.32, 68,498.44 and 12,387.32 is: 18,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,669.32 : 68,498.44 = 12,387.32 : x
  2. Step 2: Convert to fraction form
    45,669.32/68,498.44 = 12,387.32/x
  3. Step 3: Cross multiply
    45,669.32x = 68,498.44 × 12,387.32
  4. Step 4: Simplify right side
    45,669.32x = 848,512,095.78
  5. Step 5: Solve for x
    x = 848,512,095.78/45,669.32
  6. Step 6: Final answer
    x = 18,579.48

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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.