Home / 48,018.98-66,255.18-28,893.62

Finding the Fourth Proportional to 48,018.98, 66,255.18 and 28,893.62

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Solution

The fourth proportional to 48,018.98, 66,255.18 and 28,893.62 is: 39,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,018.98 : 66,255.18 = 28,893.62 : x
  2. Step 2: Convert to fraction form
    48,018.98/66,255.18 = 28,893.62/x
  3. Step 3: Cross multiply
    48,018.98x = 66,255.18 × 28,893.62
  4. Step 4: Simplify right side
    48,018.98x = 1,914,351,993.95
  5. Step 5: Solve for x
    x = 1,914,351,993.95/48,018.98
  6. Step 6: Final answer
    x = 39,866.57

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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.