Home / 43,377.32-65,015.76-19,954.60

Finding the Fourth Proportional to 43,377.32, 65,015.76 and 19,954.60

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Solution

The fourth proportional to 43,377.32, 65,015.76 and 19,954.60 is: 29,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,377.32 : 65,015.76 = 19,954.60 : x
  2. Step 2: Convert to fraction form
    43,377.32/65,015.76 = 19,954.60/x
  3. Step 3: Cross multiply
    43,377.32x = 65,015.76 × 19,954.60
  4. Step 4: Simplify right side
    43,377.32x = 1,297,363,484.50
  5. Step 5: Solve for x
    x = 1,297,363,484.50/43,377.32
  6. Step 6: Final answer
    x = 29,908.80

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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.