Home / 34,986.98-48,280.20-19,877.54

Finding the Fourth Proportional to 34,986.98, 48,280.20 and 19,877.54

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Solution

The fourth proportional to 34,986.98, 48,280.20 and 19,877.54 is: 27,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,986.98 : 48,280.20 = 19,877.54 : x
  2. Step 2: Convert to fraction form
    34,986.98/48,280.20 = 19,877.54/x
  3. Step 3: Cross multiply
    34,986.98x = 48,280.20 × 19,877.54
  4. Step 4: Simplify right side
    34,986.98x = 959,691,656.40
  5. Step 5: Solve for x
    x = 959,691,656.40/34,986.98
  6. Step 6: Final answer
    x = 27,429.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.