Home / 30,005.58-41,409.42-18,072.75

Finding the Fourth Proportional to 30,005.58, 41,409.42 and 18,072.75

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Solution

The fourth proportional to 30,005.58, 41,409.42 and 18,072.75 is: 24,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.58 : 41,409.42 = 18,072.75 : x
  2. Step 2: Convert to fraction form
    30,005.58/41,409.42 = 18,072.75/x
  3. Step 3: Cross multiply
    30,005.58x = 41,409.42 × 18,072.75
  4. Step 4: Simplify right side
    30,005.58x = 748,382,095.31
  5. Step 5: Solve for x
    x = 748,382,095.31/30,005.58
  6. Step 6: Final answer
    x = 24,941.43

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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.