Home / 30,839.75-42,558.92-16,692.60

Finding the Fourth Proportional to 30,839.75, 42,558.92 and 16,692.60

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Solution

The fourth proportional to 30,839.75, 42,558.92 and 16,692.60 is: 23,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.75 : 42,558.92 = 16,692.60 : x
  2. Step 2: Convert to fraction form
    30,839.75/42,558.92 = 16,692.60/x
  3. Step 3: Cross multiply
    30,839.75x = 42,558.92 × 16,692.60
  4. Step 4: Simplify right side
    30,839.75x = 710,418,815.20
  5. Step 5: Solve for x
    x = 710,418,815.20/30,839.75
  6. Step 6: Final answer
    x = 23,035.82

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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.