Home / 43,485.66-65,178.09-20,063.34

Finding the Fourth Proportional to 43,485.66, 65,178.09 and 20,063.34

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Solution

The fourth proportional to 43,485.66, 65,178.09 and 20,063.34 is: 30,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,485.66 : 65,178.09 = 20,063.34 : x
  2. Step 2: Convert to fraction form
    43,485.66/65,178.09 = 20,063.34/x
  3. Step 3: Cross multiply
    43,485.66x = 65,178.09 × 20,063.34
  4. Step 4: Simplify right side
    43,485.66x = 1,307,690,180.22
  5. Step 5: Solve for x
    x = 1,307,690,180.22/43,485.66
  6. Step 6: Final answer
    x = 30,071.76

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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.