Home / 45,915.88-68,860.77-17,829.94

Finding the Fourth Proportional to 45,915.88, 68,860.77 and 17,829.94

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Solution

The fourth proportional to 45,915.88, 68,860.77 and 17,829.94 is: 26,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,915.88 : 68,860.77 = 17,829.94 : x
  2. Step 2: Convert to fraction form
    45,915.88/68,860.77 = 17,829.94/x
  3. Step 3: Cross multiply
    45,915.88x = 68,860.77 × 17,829.94
  4. Step 4: Simplify right side
    45,915.88x = 1,227,783,072.27
  5. Step 5: Solve for x
    x = 1,227,783,072.27/45,915.88
  6. Step 6: Final answer
    x = 26,739.84

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1.5x scale

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.