Home / 38,734.49-53,458.95-21,739.74

Finding the Fourth Proportional to 38,734.49, 53,458.95 and 21,739.74

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Solution

The fourth proportional to 38,734.49, 53,458.95 and 21,739.74 is: 30,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.49 : 53,458.95 = 21,739.74 : x
  2. Step 2: Convert to fraction form
    38,734.49/53,458.95 = 21,739.74/x
  3. Step 3: Cross multiply
    38,734.49x = 53,458.95 × 21,739.74
  4. Step 4: Simplify right side
    38,734.49x = 1,162,183,855.43
  5. Step 5: Solve for x
    x = 1,162,183,855.43/38,734.49
  6. Step 6: Final answer
    x = 30,003.85

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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.