Home / 40,928.67-61,395.62-12,849.84

Finding the Fourth Proportional to 40,928.67, 61,395.62 and 12,849.84

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Solution

The fourth proportional to 40,928.67, 61,395.62 and 12,849.84 is: 19,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,928.67 : 61,395.62 = 12,849.84 : x
  2. Step 2: Convert to fraction form
    40,928.67/61,395.62 = 12,849.84/x
  3. Step 3: Cross multiply
    40,928.67x = 61,395.62 × 12,849.84
  4. Step 4: Simplify right side
    40,928.67x = 788,923,829.45
  5. Step 5: Solve for x
    x = 788,923,829.45/40,928.67
  6. Step 6: Final answer
    x = 19,275.58

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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.