Home / 48,017.76-66,261.36-30,112

Finding the Fourth Proportional to 48,017.76, 66,261.36 and 30,112

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Solution

The fourth proportional to 48,017.76, 66,261.36 and 30,112 is: 41,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,017.76 : 66,261.36 = 30,112 : x
  2. Step 2: Convert to fraction form
    48,017.76/66,261.36 = 30,112/x
  3. Step 3: Cross multiply
    48,017.76x = 66,261.36 × 30,112
  4. Step 4: Simplify right side
    48,017.76x = 1,995,262,072.32
  5. Step 5: Solve for x
    x = 1,995,262,072.32/48,017.76
  6. Step 6: Final answer
    x = 41,552.59

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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.