Home / 42,407.88-63,611.82-19,028.04

Finding the Fourth Proportional to 42,407.88, 63,611.82 and 19,028.04

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Solution

The fourth proportional to 42,407.88, 63,611.82 and 19,028.04 is: 28,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,407.88 : 63,611.82 = 19,028.04 : x
  2. Step 2: Convert to fraction form
    42,407.88/63,611.82 = 19,028.04/x
  3. Step 3: Cross multiply
    42,407.88x = 63,611.82 × 19,028.04
  4. Step 4: Simplify right side
    42,407.88x = 1,210,408,255.43
  5. Step 5: Solve for x
    x = 1,210,408,255.43/42,407.88
  6. Step 6: Final answer
    x = 28,542.06

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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.