Home / 39,184.56-58,786.79-18,139.77

Finding the Fourth Proportional to 39,184.56, 58,786.79 and 18,139.77

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Solution

The fourth proportional to 39,184.56, 58,786.79 and 18,139.77 is: 27,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,184.56 : 58,786.79 = 18,139.77 : x
  2. Step 2: Convert to fraction form
    39,184.56/58,786.79 = 18,139.77/x
  3. Step 3: Cross multiply
    39,184.56x = 58,786.79 × 18,139.77
  4. Step 4: Simplify right side
    39,184.56x = 1,066,378,849.64
  5. Step 5: Solve for x
    x = 1,066,378,849.64/39,184.56
  6. Step 6: Final answer
    x = 27,214.26

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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.