Home / 39,018.92-58,534.46-12,717.56

Finding the Fourth Proportional to 39,018.92, 58,534.46 and 12,717.56

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Solution

The fourth proportional to 39,018.92, 58,534.46 and 12,717.56 is: 19,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018.92 : 58,534.46 = 12,717.56 : x
  2. Step 2: Convert to fraction form
    39,018.92/58,534.46 = 12,717.56/x
  3. Step 3: Cross multiply
    39,018.92x = 58,534.46 × 12,717.56
  4. Step 4: Simplify right side
    39,018.92x = 744,415,507.12
  5. Step 5: Solve for x
    x = 744,415,507.12/39,018.92
  6. Step 6: Final answer
    x = 19,078.32

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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.