Home / 54,810.36-75,632.94-30,933

Finding the Fourth Proportional to 54,810.36, 75,632.94 and 30,933

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Solution

The fourth proportional to 54,810.36, 75,632.94 and 30,933 is: 42,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.36 : 75,632.94 = 30,933 : x
  2. Step 2: Convert to fraction form
    54,810.36/75,632.94 = 30,933/x
  3. Step 3: Cross multiply
    54,810.36x = 75,632.94 × 30,933
  4. Step 4: Simplify right side
    54,810.36x = 2,339,553,733.02
  5. Step 5: Solve for x
    x = 2,339,553,733.02/54,810.36
  6. Step 6: Final answer
    x = 42,684.52

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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.