Home / 30,935.59-42,692.06-18,186.44

Finding the Fourth Proportional to 30,935.59, 42,692.06 and 18,186.44

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Solution

The fourth proportional to 30,935.59, 42,692.06 and 18,186.44 is: 25,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.59 : 42,692.06 = 18,186.44 : x
  2. Step 2: Convert to fraction form
    30,935.59/42,692.06 = 18,186.44/x
  3. Step 3: Cross multiply
    30,935.59x = 42,692.06 × 18,186.44
  4. Step 4: Simplify right side
    30,935.59x = 776,416,496.73
  5. Step 5: Solve for x
    x = 776,416,496.73/30,935.59
  6. Step 6: Final answer
    x = 25,097.84

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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.