Home / 48,328.98-66,690.37-28,183.35

Finding the Fourth Proportional to 48,328.98, 66,690.37 and 28,183.35

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Solution

The fourth proportional to 48,328.98, 66,690.37 and 28,183.35 is: 38,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,328.98 : 66,690.37 = 28,183.35 : x
  2. Step 2: Convert to fraction form
    48,328.98/66,690.37 = 28,183.35/x
  3. Step 3: Cross multiply
    48,328.98x = 66,690.37 × 28,183.35
  4. Step 4: Simplify right side
    48,328.98x = 1,879,558,039.34
  5. Step 5: Solve for x
    x = 1,879,558,039.34/48,328.98
  6. Step 6: Final answer
    x = 38,890.91

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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.