Home / 39,358.05-54,315.58-22,365.18

Finding the Fourth Proportional to 39,358.05, 54,315.58 and 22,365.18

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Solution

The fourth proportional to 39,358.05, 54,315.58 and 22,365.18 is: 30,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.05 : 54,315.58 = 22,365.18 : x
  2. Step 2: Convert to fraction form
    39,358.05/54,315.58 = 22,365.18/x
  3. Step 3: Cross multiply
    39,358.05x = 54,315.58 × 22,365.18
  4. Step 4: Simplify right side
    39,358.05x = 1,214,777,709.53
  5. Step 5: Solve for x
    x = 1,214,777,709.53/39,358.05
  6. Step 6: Final answer
    x = 30,864.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.