Home / 45,418.40-68,054.70-29,817.80

Finding the Fourth Proportional to 45,418.40, 68,054.70 and 29,817.80

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Solution

The fourth proportional to 45,418.40, 68,054.70 and 29,817.80 is: 44,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,418.40 : 68,054.70 = 29,817.80 : x
  2. Step 2: Convert to fraction form
    45,418.40/68,054.70 = 29,817.80/x
  3. Step 3: Cross multiply
    45,418.40x = 68,054.70 × 29,817.80
  4. Step 4: Simplify right side
    45,418.40x = 2,029,241,433.66
  5. Step 5: Solve for x
    x = 2,029,241,433.66/45,418.40
  6. Step 6: Final answer
    x = 44,678.84

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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.