Home / 55,481.19-76,560.19-31,283.02

Finding the Fourth Proportional to 55,481.19, 76,560.19 and 31,283.02

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Solution

The fourth proportional to 55,481.19, 76,560.19 and 31,283.02 is: 43,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.19 : 76,560.19 = 31,283.02 : x
  2. Step 2: Convert to fraction form
    55,481.19/76,560.19 = 31,283.02/x
  3. Step 3: Cross multiply
    55,481.19x = 76,560.19 × 31,283.02
  4. Step 4: Simplify right side
    55,481.19x = 2,395,033,954.97
  5. Step 5: Solve for x
    x = 2,395,033,954.97/55,481.19
  6. Step 6: Final answer
    x = 43,168.40

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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.