Home / 55,815.07-77,025.39-30,321.94

Finding the Fourth Proportional to 55,815.07, 77,025.39 and 30,321.94

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Solution

The fourth proportional to 55,815.07, 77,025.39 and 30,321.94 is: 41,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,815.07 : 77,025.39 = 30,321.94 : x
  2. Step 2: Convert to fraction form
    55,815.07/77,025.39 = 30,321.94/x
  3. Step 3: Cross multiply
    55,815.07x = 77,025.39 × 30,321.94
  4. Step 4: Simplify right side
    55,815.07x = 2,335,559,254.06
  5. Step 5: Solve for x
    x = 2,335,559,254.06/55,815.07
  6. Step 6: Final answer
    x = 41,844.60

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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.