Home / 74,230.63-111,334.10-21,627.81

Finding the Fourth Proportional to 74,230.63, 111,334.10 and 21,627.81

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Solution

The fourth proportional to 74,230.63, 111,334.10 and 21,627.81 is: 32,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,230.63 : 111,334.10 = 21,627.81 : x
  2. Step 2: Convert to fraction form
    74,230.63/111,334.10 = 21,627.81/x
  3. Step 3: Cross multiply
    74,230.63x = 111,334.10 × 21,627.81
  4. Step 4: Simplify right side
    74,230.63x = 2,407,912,653.18
  5. Step 5: Solve for x
    x = 2,407,912,653.18/74,230.63
  6. Step 6: Final answer
    x = 32,438.26

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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.