Home / 54,298.94-74,935.53-30,433.28

Finding the Fourth Proportional to 54,298.94, 74,935.53 and 30,433.28

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Solution

The fourth proportional to 54,298.94, 74,935.53 and 30,433.28 is: 41,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,298.94 : 74,935.53 = 30,433.28 : x
  2. Step 2: Convert to fraction form
    54,298.94/74,935.53 = 30,433.28/x
  3. Step 3: Cross multiply
    54,298.94x = 74,935.53 × 30,433.28
  4. Step 4: Simplify right side
    54,298.94x = 2,280,533,591.76
  5. Step 5: Solve for x
    x = 2,280,533,591.76/54,298.94
  6. Step 6: Final answer
    x = 41,999.60

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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.