Home / 49,685.82-74,533.56-18,104.46

Finding the Fourth Proportional to 49,685.82, 74,533.56 and 18,104.46

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Solution

The fourth proportional to 49,685.82, 74,533.56 and 18,104.46 is: 27,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,685.82 : 74,533.56 = 18,104.46 : x
  2. Step 2: Convert to fraction form
    49,685.82/74,533.56 = 18,104.46/x
  3. Step 3: Cross multiply
    49,685.82x = 74,533.56 × 18,104.46
  4. Step 4: Simplify right side
    49,685.82x = 1,349,389,855.68
  5. Step 5: Solve for x
    x = 1,349,389,855.68/49,685.82
  6. Step 6: Final answer
    x = 27,158.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.