Home / 43,546.05-65,303.69-20,747.12

Finding the Fourth Proportional to 43,546.05, 65,303.69 and 20,747.12

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Solution

The fourth proportional to 43,546.05, 65,303.69 and 20,747.12 is: 31,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,546.05 : 65,303.69 = 20,747.12 : x
  2. Step 2: Convert to fraction form
    43,546.05/65,303.69 = 20,747.12/x
  3. Step 3: Cross multiply
    43,546.05x = 65,303.69 × 20,747.12
  4. Step 4: Simplify right side
    43,546.05x = 1,354,863,062.62
  5. Step 5: Solve for x
    x = 1,354,863,062.62/43,546.05
  6. Step 6: Final answer
    x = 31,113.34

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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.