Home / 30,604.92-42,245.33-19,293.48

Finding the Fourth Proportional to 30,604.92, 42,245.33 and 19,293.48

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Solution

The fourth proportional to 30,604.92, 42,245.33 and 19,293.48 is: 26,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.92 : 42,245.33 = 19,293.48 : x
  2. Step 2: Convert to fraction form
    30,604.92/42,245.33 = 19,293.48/x
  3. Step 3: Cross multiply
    30,604.92x = 42,245.33 × 19,293.48
  4. Step 4: Simplify right side
    30,604.92x = 815,059,332.98
  5. Step 5: Solve for x
    x = 815,059,332.98/30,604.92
  6. Step 6: Final answer
    x = 26,631.64

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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.