Home / 48,021.98-66,259.32-28,896.62

Finding the Fourth Proportional to 48,021.98, 66,259.32 and 28,896.62

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Solution

The fourth proportional to 48,021.98, 66,259.32 and 28,896.62 is: 39,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,021.98 : 66,259.32 = 28,896.62 : x
  2. Step 2: Convert to fraction form
    48,021.98/66,259.32 = 28,896.62/x
  3. Step 3: Cross multiply
    48,021.98x = 66,259.32 × 28,896.62
  4. Step 4: Simplify right side
    48,021.98x = 1,914,670,391.50
  5. Step 5: Solve for x
    x = 1,914,670,391.50/48,021.98
  6. Step 6: Final answer
    x = 39,870.71

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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.