Home / 39,229.99-58,857.28-12,953.18

Finding the Fourth Proportional to 39,229.99, 58,857.28 and 12,953.18

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Solution

The fourth proportional to 39,229.99, 58,857.28 and 12,953.18 is: 19,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229.99 : 58,857.28 = 12,953.18 : x
  2. Step 2: Convert to fraction form
    39,229.99/58,857.28 = 12,953.18/x
  3. Step 3: Cross multiply
    39,229.99x = 58,857.28 × 12,953.18
  4. Step 4: Simplify right side
    39,229.99x = 762,389,056.91
  5. Step 5: Solve for x
    x = 762,389,056.91/39,229.99
  6. Step 6: Final answer
    x = 19,433.83

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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.