Home / 43,667.07-65,445.81-18,677.76

Finding the Fourth Proportional to 43,667.07, 65,445.81 and 18,677.76

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Solution

The fourth proportional to 43,667.07, 65,445.81 and 18,677.76 is: 27,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,667.07 : 65,445.81 = 18,677.76 : x
  2. Step 2: Convert to fraction form
    43,667.07/65,445.81 = 18,677.76/x
  3. Step 3: Cross multiply
    43,667.07x = 65,445.81 × 18,677.76
  4. Step 4: Simplify right side
    43,667.07x = 1,222,381,132.19
  5. Step 5: Solve for x
    x = 1,222,381,132.19/43,667.07
  6. Step 6: Final answer
    x = 27,993.20

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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.