Home / 39,179.34-54,065.99-21,273.95

Finding the Fourth Proportional to 39,179.34, 54,065.99 and 21,273.95

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Solution

The fourth proportional to 39,179.34, 54,065.99 and 21,273.95 is: 29,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.34 : 54,065.99 = 21,273.95 : x
  2. Step 2: Convert to fraction form
    39,179.34/54,065.99 = 21,273.95/x
  3. Step 3: Cross multiply
    39,179.34x = 54,065.99 × 21,273.95
  4. Step 4: Simplify right side
    39,179.34x = 1,150,197,356.31
  5. Step 5: Solve for x
    x = 1,150,197,356.31/39,179.34
  6. Step 6: Final answer
    x = 29,357.24

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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.