Home / 39,047.38-58,529.76-12,745.06

Finding the Fourth Proportional to 39,047.38, 58,529.76 and 12,745.06

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Solution

The fourth proportional to 39,047.38, 58,529.76 and 12,745.06 is: 19,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,047.38 : 58,529.76 = 12,745.06 : x
  2. Step 2: Convert to fraction form
    39,047.38/58,529.76 = 12,745.06/x
  3. Step 3: Cross multiply
    39,047.38x = 58,529.76 × 12,745.06
  4. Step 4: Simplify right side
    39,047.38x = 745,965,302.99
  5. Step 5: Solve for x
    x = 745,965,302.99/39,047.38
  6. Step 6: Final answer
    x = 19,104.11

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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.