Home / 39,391.72-54,359.22-23,467.90

Finding the Fourth Proportional to 39,391.72, 54,359.22 and 23,467.90

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Solution

The fourth proportional to 39,391.72, 54,359.22 and 23,467.90 is: 32,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.72 : 54,359.22 = 23,467.90 : x
  2. Step 2: Convert to fraction form
    39,391.72/54,359.22 = 23,467.90/x
  3. Step 3: Cross multiply
    39,391.72x = 54,359.22 × 23,467.90
  4. Step 4: Simplify right side
    39,391.72x = 1,275,696,739.04
  5. Step 5: Solve for x
    x = 1,275,696,739.04/39,391.72
  6. Step 6: Final answer
    x = 32,384.90

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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.