Home / 43,416.84-65,136.90-18,458.04

Finding the Fourth Proportional to 43,416.84, 65,136.90 and 18,458.04

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Solution

The fourth proportional to 43,416.84, 65,136.90 and 18,458.04 is: 27,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,416.84 : 65,136.90 = 18,458.04 : x
  2. Step 2: Convert to fraction form
    43,416.84/65,136.90 = 18,458.04/x
  3. Step 3: Cross multiply
    43,416.84x = 65,136.90 × 18,458.04
  4. Step 4: Simplify right side
    43,416.84x = 1,202,299,505.68
  5. Step 5: Solve for x
    x = 1,202,299,505.68/43,416.84
  6. Step 6: Final answer
    x = 27,692.01

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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.