Home / 48,531.12-66,971.74-27,020.96

Finding the Fourth Proportional to 48,531.12, 66,971.74 and 27,020.96

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Solution

The fourth proportional to 48,531.12, 66,971.74 and 27,020.96 is: 37,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,531.12 : 66,971.74 = 27,020.96 : x
  2. Step 2: Convert to fraction form
    48,531.12/66,971.74 = 27,020.96/x
  3. Step 3: Cross multiply
    48,531.12x = 66,971.74 × 27,020.96
  4. Step 4: Simplify right side
    48,531.12x = 1,809,640,707.67
  5. Step 5: Solve for x
    x = 1,809,640,707.67/48,531.12
  6. Step 6: Final answer
    x = 37,288.25

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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.