Home / 45,360.98-68,036.04-12,083.48

Finding the Fourth Proportional to 45,360.98, 68,036.04 and 12,083.48

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Solution

The fourth proportional to 45,360.98, 68,036.04 and 12,083.48 is: 18,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,360.98 : 68,036.04 = 12,083.48 : x
  2. Step 2: Convert to fraction form
    45,360.98/68,036.04 = 12,083.48/x
  3. Step 3: Cross multiply
    45,360.98x = 68,036.04 × 12,083.48
  4. Step 4: Simplify right side
    45,360.98x = 822,112,128.62
  5. Step 5: Solve for x
    x = 822,112,128.62/45,360.98
  6. Step 6: Final answer
    x = 18,123.77

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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.