Home / 54,192.84-74,789.02-30,318.09

Finding the Fourth Proportional to 54,192.84, 74,789.02 and 30,318.09

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Solution

The fourth proportional to 54,192.84, 74,789.02 and 30,318.09 is: 41,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,192.84 : 74,789.02 = 30,318.09 : x
  2. Step 2: Convert to fraction form
    54,192.84/74,789.02 = 30,318.09/x
  3. Step 3: Cross multiply
    54,192.84x = 74,789.02 × 30,318.09
  4. Step 4: Simplify right side
    54,192.84x = 2,267,460,239.37
  5. Step 5: Solve for x
    x = 2,267,460,239.37/54,192.84
  6. Step 6: Final answer
    x = 41,840.59

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1.5x scale

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.