Home / 30,005.44-41,401.75-18,069.55

Finding the Fourth Proportional to 30,005.44, 41,401.75 and 18,069.55

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Solution

The fourth proportional to 30,005.44, 41,401.75 and 18,069.55 is: 24,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.44 : 41,401.75 = 18,069.55 : x
  2. Step 2: Convert to fraction form
    30,005.44/41,401.75 = 18,069.55/x
  3. Step 3: Cross multiply
    30,005.44x = 41,401.75 × 18,069.55
  4. Step 4: Simplify right side
    30,005.44x = 748,110,991.71
  5. Step 5: Solve for x
    x = 748,110,991.71/30,005.44
  6. Step 6: Final answer
    x = 24,932.51

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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.