Home / 29,893.89-40,954.81-28,772.85

Finding the Fourth Proportional to 29,893.89, 40,954.81 and 28,772.85

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Solution

The fourth proportional to 29,893.89, 40,954.81 and 28,772.85 is: 39,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,893.89 : 40,954.81 = 28,772.85 : x
  2. Step 2: Convert to fraction form
    29,893.89/40,954.81 = 28,772.85/x
  3. Step 3: Cross multiply
    29,893.89x = 40,954.81 × 28,772.85
  4. Step 4: Simplify right side
    29,893.89x = 1,178,386,532.98
  5. Step 5: Solve for x
    x = 1,178,386,532.98/29,893.89
  6. Step 6: Final answer
    x = 39,418.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.