Home / 42,408.88-63,613.32-16,107.40

Finding the Fourth Proportional to 42,408.88, 63,613.32 and 16,107.40

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Solution

The fourth proportional to 42,408.88, 63,613.32 and 16,107.40 is: 24,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408.88 : 63,613.32 = 16,107.40 : x
  2. Step 2: Convert to fraction form
    42,408.88/63,613.32 = 16,107.40/x
  3. Step 3: Cross multiply
    42,408.88x = 63,613.32 × 16,107.40
  4. Step 4: Simplify right side
    42,408.88x = 1,024,645,190.57
  5. Step 5: Solve for x
    x = 1,024,645,190.57/42,408.88
  6. Step 6: Final answer
    x = 24,161.10

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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.