Home / 39,142.85-58,718.12-11,063.12

Finding the Fourth Proportional to 39,142.85, 58,718.12 and 11,063.12

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Solution

The fourth proportional to 39,142.85, 58,718.12 and 11,063.12 is: 16,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142.85 : 58,718.12 = 11,063.12 : x
  2. Step 2: Convert to fraction form
    39,142.85/58,718.12 = 11,063.12/x
  3. Step 3: Cross multiply
    39,142.85x = 58,718.12 × 11,063.12
  4. Step 4: Simplify right side
    39,142.85x = 649,605,768.36
  5. Step 5: Solve for x
    x = 649,605,768.36/39,142.85
  6. Step 6: Final answer
    x = 16,595.77

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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.