Home / 42,213.33-63,328.83-15,917.88

Finding the Fourth Proportional to 42,213.33, 63,328.83 and 15,917.88

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Solution

The fourth proportional to 42,213.33, 63,328.83 and 15,917.88 is: 23,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,213.33 : 63,328.83 = 15,917.88 : x
  2. Step 2: Convert to fraction form
    42,213.33/63,328.83 = 15,917.88/x
  3. Step 3: Cross multiply
    42,213.33x = 63,328.83 × 15,917.88
  4. Step 4: Simplify right side
    42,213.33x = 1,008,060,716.48
  5. Step 5: Solve for x
    x = 1,008,060,716.48/42,213.33
  6. Step 6: Final answer
    x = 23,880.15

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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.