Home / 61,271.21-91,777.66-28,019.26

Finding the Fourth Proportional to 61,271.21, 91,777.66 and 28,019.26

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Solution

The fourth proportional to 61,271.21, 91,777.66 and 28,019.26 is: 41,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,271.21 : 91,777.66 = 28,019.26 : x
  2. Step 2: Convert to fraction form
    61,271.21/91,777.66 = 28,019.26/x
  3. Step 3: Cross multiply
    61,271.21x = 91,777.66 × 28,019.26
  4. Step 4: Simplify right side
    61,271.21x = 2,571,542,162.41
  5. Step 5: Solve for x
    x = 2,571,542,162.41/61,271.21
  6. Step 6: Final answer
    x = 41,969.83

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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.