Home / 39,162.78-54,044.58-22,399.02

Finding the Fourth Proportional to 39,162.78, 54,044.58 and 22,399.02

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Solution

The fourth proportional to 39,162.78, 54,044.58 and 22,399.02 is: 30,910.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,162.78 : 54,044.58 = 22,399.02 : x
  2. Step 2: Convert to fraction form
    39,162.78/54,044.58 = 22,399.02/x
  3. Step 3: Cross multiply
    39,162.78x = 54,044.58 × 22,399.02
  4. Step 4: Simplify right side
    39,162.78x = 1,210,545,628.31
  5. Step 5: Solve for x
    x = 1,210,545,628.31/39,162.78
  6. Step 6: Final answer
    x = 30,910.62

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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.