Home / 43,407.42-65,043.81-30,106.37

Finding the Fourth Proportional to 43,407.42, 65,043.81 and 30,106.37

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Solution

The fourth proportional to 43,407.42, 65,043.81 and 30,106.37 is: 45,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,407.42 : 65,043.81 = 30,106.37 : x
  2. Step 2: Convert to fraction form
    43,407.42/65,043.81 = 30,106.37/x
  3. Step 3: Cross multiply
    43,407.42x = 65,043.81 × 30,106.37
  4. Step 4: Simplify right side
    43,407.42x = 1,958,232,684.85
  5. Step 5: Solve for x
    x = 1,958,232,684.85/43,407.42
  6. Step 6: Final answer
    x = 45,112.86

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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.