Home / 42,114.36-63,185.94-18,757.08

Finding the Fourth Proportional to 42,114.36, 63,185.94 and 18,757.08

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Solution

The fourth proportional to 42,114.36, 63,185.94 and 18,757.08 is: 28,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,114.36 : 63,185.94 = 18,757.08 : x
  2. Step 2: Convert to fraction form
    42,114.36/63,185.94 = 18,757.08/x
  3. Step 3: Cross multiply
    42,114.36x = 63,185.94 × 18,757.08
  4. Step 4: Simplify right side
    42,114.36x = 1,185,183,731.46
  5. Step 5: Solve for x
    x = 1,185,183,731.46/42,114.36
  6. Step 6: Final answer
    x = 28,142.03

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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.