Home / 42,408.88-63,613.32-19,029.04

Finding the Fourth Proportional to 42,408.88, 63,613.32 and 19,029.04

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Solution

The fourth proportional to 42,408.88, 63,613.32 and 19,029.04 is: 28,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408.88 : 63,613.32 = 19,029.04 : x
  2. Step 2: Convert to fraction form
    42,408.88/63,613.32 = 19,029.04/x
  3. Step 3: Cross multiply
    42,408.88x = 63,613.32 × 19,029.04
  4. Step 4: Simplify right side
    42,408.88x = 1,210,500,410.81
  5. Step 5: Solve for x
    x = 1,210,500,410.81/42,408.88
  6. Step 6: Final answer
    x = 28,543.56

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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.