Home / 43,667.06-65,445.82-18,677.77

Finding the Fourth Proportional to 43,667.06, 65,445.82 and 18,677.77

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Solution

The fourth proportional to 43,667.06, 65,445.82 and 18,677.77 is: 27,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,667.06 : 65,445.82 = 18,677.77 : x
  2. Step 2: Convert to fraction form
    43,667.06/65,445.82 = 18,677.77/x
  3. Step 3: Cross multiply
    43,667.06x = 65,445.82 × 18,677.77
  4. Step 4: Simplify right side
    43,667.06x = 1,222,381,973.42
  5. Step 5: Solve for x
    x = 1,222,381,973.42/43,667.06
  6. Step 6: Final answer
    x = 27,993.23

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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.