Home / 30,306.49-41,822.97-16,880.32

Finding the Fourth Proportional to 30,306.49, 41,822.97 and 16,880.32

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Solution

The fourth proportional to 30,306.49, 41,822.97 and 16,880.32 is: 23,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.49 : 41,822.97 = 16,880.32 : x
  2. Step 2: Convert to fraction form
    30,306.49/41,822.97 = 16,880.32/x
  3. Step 3: Cross multiply
    30,306.49x = 41,822.97 × 16,880.32
  4. Step 4: Simplify right side
    30,306.49x = 705,985,116.95
  5. Step 5: Solve for x
    x = 705,985,116.95/30,306.49
  6. Step 6: Final answer
    x = 23,294.85

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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.