Home / 30,839.56-42,558.56-16,692.38

Finding the Fourth Proportional to 30,839.56, 42,558.56 and 16,692.38

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Solution

The fourth proportional to 30,839.56, 42,558.56 and 16,692.38 is: 23,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.56 : 42,558.56 = 16,692.38 : x
  2. Step 2: Convert to fraction form
    30,839.56/42,558.56 = 16,692.38/x
  3. Step 3: Cross multiply
    30,839.56x = 42,558.56 × 16,692.38
  4. Step 4: Simplify right side
    30,839.56x = 710,403,655.77
  5. Step 5: Solve for x
    x = 710,403,655.77/30,839.56
  6. Step 6: Final answer
    x = 23,035.47

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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.