Home / 30,909.87-46,322.43-20,363.97

Finding the Fourth Proportional to 30,909.87, 46,322.43 and 20,363.97

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Solution

The fourth proportional to 30,909.87, 46,322.43 and 20,363.97 is: 30,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909.87 : 46,322.43 = 20,363.97 : x
  2. Step 2: Convert to fraction form
    30,909.87/46,322.43 = 20,363.97/x
  3. Step 3: Cross multiply
    30,909.87x = 46,322.43 × 20,363.97
  4. Step 4: Simplify right side
    30,909.87x = 943,308,574.85
  5. Step 5: Solve for x
    x = 943,308,574.85/30,909.87
  6. Step 6: Final answer
    x = 30,518.04

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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.