Home / 55,541.70-76,647.23-30,048

Finding the Fourth Proportional to 55,541.70, 76,647.23 and 30,048

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Solution

The fourth proportional to 55,541.70, 76,647.23 and 30,048 is: 41,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541.70 : 76,647.23 = 30,048 : x
  2. Step 2: Convert to fraction form
    55,541.70/76,647.23 = 30,048/x
  3. Step 3: Cross multiply
    55,541.70x = 76,647.23 × 30,048
  4. Step 4: Simplify right side
    55,541.70x = 2,303,095,967.04
  5. Step 5: Solve for x
    x = 2,303,095,967.04/55,541.70
  6. Step 6: Final answer
    x = 41,466.07

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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.