Home / 30,069.05-45,125.44-13,447.85

Finding the Fourth Proportional to 30,069.05, 45,125.44 and 13,447.85

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Solution

The fourth proportional to 30,069.05, 45,125.44 and 13,447.85 is: 20,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.05 : 45,125.44 = 13,447.85 : x
  2. Step 2: Convert to fraction form
    30,069.05/45,125.44 = 13,447.85/x
  3. Step 3: Cross multiply
    30,069.05x = 45,125.44 × 13,447.85
  4. Step 4: Simplify right side
    30,069.05x = 606,839,889.06
  5. Step 5: Solve for x
    x = 606,839,889.06/30,069.05
  6. Step 6: Final answer
    x = 20,181.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.