Home / 30,839.55-42,558.76-16,692.39

Finding the Fourth Proportional to 30,839.55, 42,558.76 and 16,692.39

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Solution

The fourth proportional to 30,839.55, 42,558.76 and 16,692.39 is: 23,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.55 : 42,558.76 = 16,692.39 : x
  2. Step 2: Convert to fraction form
    30,839.55/42,558.76 = 16,692.39/x
  3. Step 3: Cross multiply
    30,839.55x = 42,558.76 × 16,692.39
  4. Step 4: Simplify right side
    30,839.55x = 710,407,419.84
  5. Step 5: Solve for x
    x = 710,407,419.84/30,839.55
  6. Step 6: Final answer
    x = 23,035.60

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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.