Home / 30,574.82-42,193.67-18,473.62

Finding the Fourth Proportional to 30,574.82, 42,193.67 and 18,473.62

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Solution

The fourth proportional to 30,574.82, 42,193.67 and 18,473.62 is: 25,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,574.82 : 42,193.67 = 18,473.62 : x
  2. Step 2: Convert to fraction form
    30,574.82/42,193.67 = 18,473.62/x
  3. Step 3: Cross multiply
    30,574.82x = 42,193.67 × 18,473.62
  4. Step 4: Simplify right side
    30,574.82x = 779,469,837.14
  5. Step 5: Solve for x
    x = 779,469,837.14/30,574.82
  6. Step 6: Final answer
    x = 25,493.85

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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.