Home / 39,169.73-54,054.29-21,264.75

Finding the Fourth Proportional to 39,169.73, 54,054.29 and 21,264.75

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Solution

The fourth proportional to 39,169.73, 54,054.29 and 21,264.75 is: 29,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.73 : 54,054.29 = 21,264.75 : x
  2. Step 2: Convert to fraction form
    39,169.73/54,054.29 = 21,264.75/x
  3. Step 3: Cross multiply
    39,169.73x = 54,054.29 × 21,264.75
  4. Step 4: Simplify right side
    39,169.73x = 1,149,450,856.95
  5. Step 5: Solve for x
    x = 1,149,450,856.95/39,169.73
  6. Step 6: Final answer
    x = 29,345.39

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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.