Home / 49,765.60-74,667.84-18,603.28

Finding the Fourth Proportional to 49,765.60, 74,667.84 and 18,603.28

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Solution

The fourth proportional to 49,765.60, 74,667.84 and 18,603.28 is: 27,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,765.60 : 74,667.84 = 18,603.28 : x
  2. Step 2: Convert to fraction form
    49,765.60/74,667.84 = 18,603.28/x
  3. Step 3: Cross multiply
    49,765.60x = 74,667.84 × 18,603.28
  4. Step 4: Simplify right side
    49,765.60x = 1,389,066,734.52
  5. Step 5: Solve for x
    x = 1,389,066,734.52/49,765.60
  6. Step 6: Final answer
    x = 27,912.19

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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.