Home / 30,839.14-42,558.30-16,692.28

Finding the Fourth Proportional to 30,839.14, 42,558.30 and 16,692.28

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Solution

The fourth proportional to 30,839.14, 42,558.30 and 16,692.28 is: 23,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.14 : 42,558.30 = 16,692.28 : x
  2. Step 2: Convert to fraction form
    30,839.14/42,558.30 = 16,692.28/x
  3. Step 3: Cross multiply
    30,839.14x = 42,558.30 × 16,692.28
  4. Step 4: Simplify right side
    30,839.14x = 710,395,059.92
  5. Step 5: Solve for x
    x = 710,395,059.92/30,839.14
  6. Step 6: Final answer
    x = 23,035.50

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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.