Home / 39,078.42-58,605.66-14,115.39

Finding the Fourth Proportional to 39,078.42, 58,605.66 and 14,115.39

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Solution

The fourth proportional to 39,078.42, 58,605.66 and 14,115.39 is: 21,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.42 : 58,605.66 = 14,115.39 : x
  2. Step 2: Convert to fraction form
    39,078.42/58,605.66 = 14,115.39/x
  3. Step 3: Cross multiply
    39,078.42x = 58,605.66 × 14,115.39
  4. Step 4: Simplify right side
    39,078.42x = 827,241,893.62
  5. Step 5: Solve for x
    x = 827,241,893.62/39,078.42
  6. Step 6: Final answer
    x = 21,168.76

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1.5x scale

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.