Home / 30,017.87-45,012.67-17,541.49

Finding the Fourth Proportional to 30,017.87, 45,012.67 and 17,541.49

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Solution

The fourth proportional to 30,017.87, 45,012.67 and 17,541.49 is: 26,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,017.87 : 45,012.67 = 17,541.49 : x
  2. Step 2: Convert to fraction form
    30,017.87/45,012.67 = 17,541.49/x
  3. Step 3: Cross multiply
    30,017.87x = 45,012.67 × 17,541.49
  4. Step 4: Simplify right side
    30,017.87x = 789,589,300.68
  5. Step 5: Solve for x
    x = 789,589,300.68/30,017.87
  6. Step 6: Final answer
    x = 26,303.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.