Home / 39,215.52-58,762.80-18,414.72

Finding the Fourth Proportional to 39,215.52, 58,762.80 and 18,414.72

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Solution

The fourth proportional to 39,215.52, 58,762.80 and 18,414.72 is: 27,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.52 : 58,762.80 = 18,414.72 : x
  2. Step 2: Convert to fraction form
    39,215.52/58,762.80 = 18,414.72/x
  3. Step 3: Cross multiply
    39,215.52x = 58,762.80 × 18,414.72
  4. Step 4: Simplify right side
    39,215.52x = 1,082,100,508.42
  5. Step 5: Solve for x
    x = 1,082,100,508.42/39,215.52
  6. Step 6: Final answer
    x = 27,593.68

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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.