Home / 39,383.91-54,357.93-22,389.30

Finding the Fourth Proportional to 39,383.91, 54,357.93 and 22,389.30

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Solution

The fourth proportional to 39,383.91, 54,357.93 and 22,389.30 is: 30,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383.91 : 54,357.93 = 22,389.30 : x
  2. Step 2: Convert to fraction form
    39,383.91/54,357.93 = 22,389.30/x
  3. Step 3: Cross multiply
    39,383.91x = 54,357.93 × 22,389.30
  4. Step 4: Simplify right side
    39,383.91x = 1,217,036,002.15
  5. Step 5: Solve for x
    x = 1,217,036,002.15/39,383.91
  6. Step 6: Final answer
    x = 30,901.86

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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.