Home / 40,914.40-61,362.72-14,620.96

Finding the Fourth Proportional to 40,914.40, 61,362.72 and 14,620.96

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Solution

The fourth proportional to 40,914.40, 61,362.72 and 14,620.96 is: 21,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,914.40 : 61,362.72 = 14,620.96 : x
  2. Step 2: Convert to fraction form
    40,914.40/61,362.72 = 14,620.96/x
  3. Step 3: Cross multiply
    40,914.40x = 61,362.72 × 14,620.96
  4. Step 4: Simplify right side
    40,914.40x = 897,181,874.61
  5. Step 5: Solve for x
    x = 897,181,874.61/40,914.40
  6. Step 6: Final answer
    x = 21,928.27

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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.