Home / 39,072.28-58,607.72-12,418.14

Finding the Fourth Proportional to 39,072.28, 58,607.72 and 12,418.14

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Solution

The fourth proportional to 39,072.28, 58,607.72 and 12,418.14 is: 18,626.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.28 : 58,607.72 = 12,418.14 : x
  2. Step 2: Convert to fraction form
    39,072.28/58,607.72 = 12,418.14/x
  3. Step 3: Cross multiply
    39,072.28x = 58,607.72 × 12,418.14
  4. Step 4: Simplify right side
    39,072.28x = 727,798,872.04
  5. Step 5: Solve for x
    x = 727,798,872.04/39,072.28
  6. Step 6: Final answer
    x = 18,626.99

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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.