Home / 74,448.37-111,670.79-18,288.38

Finding the Fourth Proportional to 74,448.37, 111,670.79 and 18,288.38

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Solution

The fourth proportional to 74,448.37, 111,670.79 and 18,288.38 is: 27,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,448.37 : 111,670.79 = 18,288.38 : x
  2. Step 2: Convert to fraction form
    74,448.37/111,670.79 = 18,288.38/x
  3. Step 3: Cross multiply
    74,448.37x = 111,670.79 × 18,288.38
  4. Step 4: Simplify right side
    74,448.37x = 2,042,278,184.46
  5. Step 5: Solve for x
    x = 2,042,278,184.46/74,448.37
  6. Step 6: Final answer
    x = 27,432.14

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1.5x scale

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.