Home / 39,168.72-58,757.76-18,387.36

Finding the Fourth Proportional to 39,168.72, 58,757.76 and 18,387.36

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Solution

The fourth proportional to 39,168.72, 58,757.76 and 18,387.36 is: 27,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.72 : 58,757.76 = 18,387.36 : x
  2. Step 2: Convert to fraction form
    39,168.72/58,757.76 = 18,387.36/x
  3. Step 3: Cross multiply
    39,168.72x = 58,757.76 × 18,387.36
  4. Step 4: Simplify right side
    39,168.72x = 1,080,400,085.91
  5. Step 5: Solve for x
    x = 1,080,400,085.91/39,168.72
  6. Step 6: Final answer
    x = 27,583.24

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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.