Home / 45,364.98-68,042.04-12,087.48

Finding the Fourth Proportional to 45,364.98, 68,042.04 and 12,087.48

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Solution

The fourth proportional to 45,364.98, 68,042.04 and 12,087.48 is: 18,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,364.98 : 68,042.04 = 12,087.48 : x
  2. Step 2: Convert to fraction form
    45,364.98/68,042.04 = 12,087.48/x
  3. Step 3: Cross multiply
    45,364.98x = 68,042.04 × 12,087.48
  4. Step 4: Simplify right side
    45,364.98x = 822,456,797.66
  5. Step 5: Solve for x
    x = 822,456,797.66/45,364.98
  6. Step 6: Final answer
    x = 18,129.77

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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.