Home / 34,729.56-51,943.86-20,464.02

Finding the Fourth Proportional to 34,729.56, 51,943.86 and 20,464.02

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Solution

The fourth proportional to 34,729.56, 51,943.86 and 20,464.02 is: 30,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,729.56 : 51,943.86 = 20,464.02 : x
  2. Step 2: Convert to fraction form
    34,729.56/51,943.86 = 20,464.02/x
  3. Step 3: Cross multiply
    34,729.56x = 51,943.86 × 20,464.02
  4. Step 4: Simplify right side
    34,729.56x = 1,062,980,189.92
  5. Step 5: Solve for x
    x = 1,062,980,189.92/34,729.56
  6. Step 6: Final answer
    x = 30,607.36

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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.