Home / 39,078.11-58,605.19-14,115.08

Finding the Fourth Proportional to 39,078.11, 58,605.19 and 14,115.08

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Solution

The fourth proportional to 39,078.11, 58,605.19 and 14,115.08 is: 21,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.11 : 58,605.19 = 14,115.08 : x
  2. Step 2: Convert to fraction form
    39,078.11/58,605.19 = 14,115.08/x
  3. Step 3: Cross multiply
    39,078.11x = 58,605.19 × 14,115.08
  4. Step 4: Simplify right side
    39,078.11x = 827,216,916.12
  5. Step 5: Solve for x
    x = 827,216,916.12/39,078.11
  6. Step 6: Final answer
    x = 21,168.29

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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.