Home / 55,297.14-76,309.86-30,146.64

Finding the Fourth Proportional to 55,297.14, 76,309.86 and 30,146.64

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Solution

The fourth proportional to 55,297.14, 76,309.86 and 30,146.64 is: 41,602.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,297.14 : 76,309.86 = 30,146.64 : x
  2. Step 2: Convert to fraction form
    55,297.14/76,309.86 = 30,146.64/x
  3. Step 3: Cross multiply
    55,297.14x = 76,309.86 × 30,146.64
  4. Step 4: Simplify right side
    55,297.14x = 2,300,485,877.87
  5. Step 5: Solve for x
    x = 2,300,485,877.87/55,297.14
  6. Step 6: Final answer
    x = 41,602.26

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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.