Home / 30,191.63-41,635.49-19,425.51

Finding the Fourth Proportional to 30,191.63, 41,635.49 and 19,425.51

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Solution

The fourth proportional to 30,191.63, 41,635.49 and 19,425.51 is: 26,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.63 : 41,635.49 = 19,425.51 : x
  2. Step 2: Convert to fraction form
    30,191.63/41,635.49 = 19,425.51/x
  3. Step 3: Cross multiply
    30,191.63x = 41,635.49 × 19,425.51
  4. Step 4: Simplify right side
    30,191.63x = 808,790,627.35
  5. Step 5: Solve for x
    x = 808,790,627.35/30,191.63
  6. Step 6: Final answer
    x = 26,788.57

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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.