Home / 30,116.87-41,558.32-17,371.21

Finding the Fourth Proportional to 30,116.87, 41,558.32 and 17,371.21

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Solution

The fourth proportional to 30,116.87, 41,558.32 and 17,371.21 is: 23,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116.87 : 41,558.32 = 17,371.21 : x
  2. Step 2: Convert to fraction form
    30,116.87/41,558.32 = 17,371.21/x
  3. Step 3: Cross multiply
    30,116.87x = 41,558.32 × 17,371.21
  4. Step 4: Simplify right side
    30,116.87x = 721,918,303.97
  5. Step 5: Solve for x
    x = 721,918,303.97/30,116.87
  6. Step 6: Final answer
    x = 23,970.56

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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.