Home / 38,546.28-53,194.91-21,550.05

Finding the Fourth Proportional to 38,546.28, 53,194.91 and 21,550.05

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Solution

The fourth proportional to 38,546.28, 53,194.91 and 21,550.05 is: 29,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,546.28 : 53,194.91 = 21,550.05 : x
  2. Step 2: Convert to fraction form
    38,546.28/53,194.91 = 21,550.05/x
  3. Step 3: Cross multiply
    38,546.28x = 53,194.91 × 21,550.05
  4. Step 4: Simplify right side
    38,546.28x = 1,146,352,862.50
  5. Step 5: Solve for x
    x = 1,146,352,862.50/38,546.28
  6. Step 6: Final answer
    x = 29,739.65

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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.