Home / 30,790.77-46,224.42-21,489.94

Finding the Fourth Proportional to 30,790.77, 46,224.42 and 21,489.94

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Solution

The fourth proportional to 30,790.77, 46,224.42 and 21,489.94 is: 32,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,790.77 : 46,224.42 = 21,489.94 : x
  2. Step 2: Convert to fraction form
    30,790.77/46,224.42 = 21,489.94/x
  3. Step 3: Cross multiply
    30,790.77x = 46,224.42 × 21,489.94
  4. Step 4: Simplify right side
    30,790.77x = 993,360,012.33
  5. Step 5: Solve for x
    x = 993,360,012.33/30,790.77
  6. Step 6: Final answer
    x = 32,261.62

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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.