Home / 74,009.34-111,032.24-21,424.14

Finding the Fourth Proportional to 74,009.34, 111,032.24 and 21,424.14

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Solution

The fourth proportional to 74,009.34, 111,032.24 and 21,424.14 is: 32,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,009.34 : 111,032.24 = 21,424.14 : x
  2. Step 2: Convert to fraction form
    74,009.34/111,032.24 = 21,424.14/x
  3. Step 3: Cross multiply
    74,009.34x = 111,032.24 × 21,424.14
  4. Step 4: Simplify right side
    74,009.34x = 2,378,770,147.15
  5. Step 5: Solve for x
    x = 2,378,770,147.15/74,009.34
  6. Step 6: Final answer
    x = 32,141.49

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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.