Home / 43,928.40-65,739.50-35,938.56

Finding the Fourth Proportional to 43,928.40, 65,739.50 and 35,938.56

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Solution

The fourth proportional to 43,928.40, 65,739.50 and 35,938.56 is: 53,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,928.40 : 65,739.50 = 35,938.56 : x
  2. Step 2: Convert to fraction form
    43,928.40/65,739.50 = 35,938.56/x
  3. Step 3: Cross multiply
    43,928.40x = 65,739.50 × 35,938.56
  4. Step 4: Simplify right side
    43,928.40x = 2,362,582,965.12
  5. Step 5: Solve for x
    x = 2,362,582,965.12/43,928.40
  6. Step 6: Final answer
    x = 53,782.59

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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.