Home / 30,970.20-46,451.49-18,327.48

Finding the Fourth Proportional to 30,970.20, 46,451.49 and 18,327.48

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Solution

The fourth proportional to 30,970.20, 46,451.49 and 18,327.48 is: 27,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970.20 : 46,451.49 = 18,327.48 : x
  2. Step 2: Convert to fraction form
    30,970.20/46,451.49 = 18,327.48/x
  3. Step 3: Cross multiply
    30,970.20x = 46,451.49 × 18,327.48
  4. Step 4: Simplify right side
    30,970.20x = 851,338,753.95
  5. Step 5: Solve for x
    x = 851,338,753.95/30,970.20
  6. Step 6: Final answer
    x = 27,488.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.