Home / 30,441.58-42,009.25-17,012.83

Finding the Fourth Proportional to 30,441.58, 42,009.25 and 17,012.83

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Solution

The fourth proportional to 30,441.58, 42,009.25 and 17,012.83 is: 23,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,441.58 : 42,009.25 = 17,012.83 : x
  2. Step 2: Convert to fraction form
    30,441.58/42,009.25 = 17,012.83/x
  3. Step 3: Cross multiply
    30,441.58x = 42,009.25 × 17,012.83
  4. Step 4: Simplify right side
    30,441.58x = 714,696,228.68
  5. Step 5: Solve for x
    x = 714,696,228.68/30,441.58
  6. Step 6: Final answer
    x = 23,477.63

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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.