Home / 43,106.21-64,617.38-20,611.05

Finding the Fourth Proportional to 43,106.21, 64,617.38 and 20,611.05

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Solution

The fourth proportional to 43,106.21, 64,617.38 and 20,611.05 is: 30,896.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,106.21 : 64,617.38 = 20,611.05 : x
  2. Step 2: Convert to fraction form
    43,106.21/64,617.38 = 20,611.05/x
  3. Step 3: Cross multiply
    43,106.21x = 64,617.38 × 20,611.05
  4. Step 4: Simplify right side
    43,106.21x = 1,331,831,726.96
  5. Step 5: Solve for x
    x = 1,331,831,726.96/43,106.21
  6. Step 6: Final answer
    x = 30,896.52

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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.