Home / 43,449.90-65,205.96-18,507.42

Finding the Fourth Proportional to 43,449.90, 65,205.96 and 18,507.42

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Solution

The fourth proportional to 43,449.90, 65,205.96 and 18,507.42 is: 27,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,449.90 : 65,205.96 = 18,507.42 : x
  2. Step 2: Convert to fraction form
    43,449.90/65,205.96 = 18,507.42/x
  3. Step 3: Cross multiply
    43,449.90x = 65,205.96 × 18,507.42
  4. Step 4: Simplify right side
    43,449.90x = 1,206,794,088.22
  5. Step 5: Solve for x
    x = 1,206,794,088.22/43,449.90
  6. Step 6: Final answer
    x = 27,774.38

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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.