Home / 43,355.20-65,051.44-18,412.08

Finding the Fourth Proportional to 43,355.20, 65,051.44 and 18,412.08

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Solution

The fourth proportional to 43,355.20, 65,051.44 and 18,412.08 is: 27,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,355.20 : 65,051.44 = 18,412.08 : x
  2. Step 2: Convert to fraction form
    43,355.20/65,051.44 = 18,412.08/x
  3. Step 3: Cross multiply
    43,355.20x = 65,051.44 × 18,412.08
  4. Step 4: Simplify right side
    43,355.20x = 1,197,732,317.40
  5. Step 5: Solve for x
    x = 1,197,732,317.40/43,355.20
  6. Step 6: Final answer
    x = 27,626.04

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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.