Home / 39,299.08-58,963.74-18,507.88

Finding the Fourth Proportional to 39,299.08, 58,963.74 and 18,507.88

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Solution

The fourth proportional to 39,299.08, 58,963.74 and 18,507.88 is: 27,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,299.08 : 58,963.74 = 18,507.88 : x
  2. Step 2: Convert to fraction form
    39,299.08/58,963.74 = 18,507.88/x
  3. Step 3: Cross multiply
    39,299.08x = 58,963.74 × 18,507.88
  4. Step 4: Simplify right side
    39,299.08x = 1,091,293,824.27
  5. Step 5: Solve for x
    x = 1,091,293,824.27/39,299.08
  6. Step 6: Final answer
    x = 27,768.94

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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.