Home / 61,040.63-91,561.52-21,604.43

Finding the Fourth Proportional to 61,040.63, 91,561.52 and 21,604.43

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Solution

The fourth proportional to 61,040.63, 91,561.52 and 21,604.43 is: 32,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,040.63 : 91,561.52 = 21,604.43 : x
  2. Step 2: Convert to fraction form
    61,040.63/91,561.52 = 21,604.43/x
  3. Step 3: Cross multiply
    61,040.63x = 91,561.52 × 21,604.43
  4. Step 4: Simplify right side
    61,040.63x = 1,978,133,883.70
  5. Step 5: Solve for x
    x = 1,978,133,883.70/61,040.63
  6. Step 6: Final answer
    x = 32,406.84

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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.