Home / 74,228.45-111,351.21-21,637.94

Finding the Fourth Proportional to 74,228.45, 111,351.21 and 21,637.94

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Solution

The fourth proportional to 74,228.45, 111,351.21 and 21,637.94 is: 32,459.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,228.45 : 111,351.21 = 21,637.94 : x
  2. Step 2: Convert to fraction form
    74,228.45/111,351.21 = 21,637.94/x
  3. Step 3: Cross multiply
    74,228.45x = 111,351.21 × 21,637.94
  4. Step 4: Simplify right side
    74,228.45x = 2,409,410,163.01
  5. Step 5: Solve for x
    x = 2,409,410,163.01/74,228.45
  6. Step 6: Final answer
    x = 32,459.39

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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.