Home / 48,021.32-66,269.59-27,879.05

Finding the Fourth Proportional to 48,021.32, 66,269.59 and 27,879.05

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Solution

The fourth proportional to 48,021.32, 66,269.59 and 27,879.05 is: 38,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,021.32 : 66,269.59 = 27,879.05 : x
  2. Step 2: Convert to fraction form
    48,021.32/66,269.59 = 27,879.05/x
  3. Step 3: Cross multiply
    48,021.32x = 66,269.59 × 27,879.05
  4. Step 4: Simplify right side
    48,021.32x = 1,847,533,309.07
  5. Step 5: Solve for x
    x = 1,847,533,309.07/48,021.32
  6. Step 6: Final answer
    x = 38,473.19

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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.