Home / 54,028.86-74,559.69-30,155.28

Finding the Fourth Proportional to 54,028.86, 74,559.69 and 30,155.28

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Solution

The fourth proportional to 54,028.86, 74,559.69 and 30,155.28 is: 41,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,028.86 : 74,559.69 = 30,155.28 : x
  2. Step 2: Convert to fraction form
    54,028.86/74,559.69 = 30,155.28/x
  3. Step 3: Cross multiply
    54,028.86x = 74,559.69 × 30,155.28
  4. Step 4: Simplify right side
    54,028.86x = 2,248,368,328.66
  5. Step 5: Solve for x
    x = 2,248,368,328.66/54,028.86
  6. Step 6: Final answer
    x = 41,614.21

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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.