Home / 39,080.00-53,930.04-21,174.95

Finding the Fourth Proportional to 39,080.00, 53,930.04 and 21,174.95

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Solution

The fourth proportional to 39,080.00, 53,930.04 and 21,174.95 is: 29,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,080.00 : 53,930.04 = 21,174.95 : x
  2. Step 2: Convert to fraction form
    39,080.00/53,930.04 = 21,174.95/x
  3. Step 3: Cross multiply
    39,080.00x = 53,930.04 × 21,174.95
  4. Step 4: Simplify right side
    39,080.00x = 1,141,965,630.85
  5. Step 5: Solve for x
    x = 1,141,965,630.85/39,080.00
  6. Step 6: Final answer
    x = 29,221.23

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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.