Home / 39,135.56-54,007.08-22,371.80

Finding the Fourth Proportional to 39,135.56, 54,007.08 and 22,371.80

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Solution

The fourth proportional to 39,135.56, 54,007.08 and 22,371.80 is: 30,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.56 : 54,007.08 = 22,371.80 : x
  2. Step 2: Convert to fraction form
    39,135.56/54,007.08 = 22,371.80/x
  3. Step 3: Cross multiply
    39,135.56x = 54,007.08 × 22,371.80
  4. Step 4: Simplify right side
    39,135.56x = 1,208,235,727.36
  5. Step 5: Solve for x
    x = 1,208,235,727.36/39,135.56
  6. Step 6: Final answer
    x = 30,873.09

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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.