Home / 30,910.31-46,364.23-21,523.21

Finding the Fourth Proportional to 30,910.31, 46,364.23 and 21,523.21

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Solution

The fourth proportional to 30,910.31, 46,364.23 and 21,523.21 is: 32,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,910.31 : 46,364.23 = 21,523.21 : x
  2. Step 2: Convert to fraction form
    30,910.31/46,364.23 = 21,523.21/x
  3. Step 3: Cross multiply
    30,910.31x = 46,364.23 × 21,523.21
  4. Step 4: Simplify right side
    30,910.31x = 997,906,951.16
  5. Step 5: Solve for x
    x = 997,906,951.16/30,910.31
  6. Step 6: Final answer
    x = 32,283.95

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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.