Home / 43,908.85-65,863.32-20,551.69

Finding the Fourth Proportional to 43,908.85, 65,863.32 and 20,551.69

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Solution

The fourth proportional to 43,908.85, 65,863.32 and 20,551.69 is: 30,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.85 : 65,863.32 = 20,551.69 : x
  2. Step 2: Convert to fraction form
    43,908.85/65,863.32 = 20,551.69/x
  3. Step 3: Cross multiply
    43,908.85x = 65,863.32 × 20,551.69
  4. Step 4: Simplify right side
    43,908.85x = 1,353,602,102.94
  5. Step 5: Solve for x
    x = 1,353,602,102.94/43,908.85
  6. Step 6: Final answer
    x = 30,827.55

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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.