Home / 33,800.21-46,640.18-18,690.81

Finding the Fourth Proportional to 33,800.21, 46,640.18 and 18,690.81

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Solution

The fourth proportional to 33,800.21, 46,640.18 and 18,690.81 is: 25,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,800.21 : 46,640.18 = 18,690.81 : x
  2. Step 2: Convert to fraction form
    33,800.21/46,640.18 = 18,690.81/x
  3. Step 3: Cross multiply
    33,800.21x = 46,640.18 × 18,690.81
  4. Step 4: Simplify right side
    33,800.21x = 871,742,649.29
  5. Step 5: Solve for x
    x = 871,742,649.29/33,800.21
  6. Step 6: Final answer
    x = 25,791.05

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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.