Home / 74,119.24-111,196.06-21,529.64

Finding the Fourth Proportional to 74,119.24, 111,196.06 and 21,529.64

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Solution

The fourth proportional to 74,119.24, 111,196.06 and 21,529.64 is: 32,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,119.24 : 111,196.06 = 21,529.64 : x
  2. Step 2: Convert to fraction form
    74,119.24/111,196.06 = 21,529.64/x
  3. Step 3: Cross multiply
    74,119.24x = 111,196.06 × 21,529.64
  4. Step 4: Simplify right side
    74,119.24x = 2,394,011,141.22
  5. Step 5: Solve for x
    x = 2,394,011,141.22/74,119.24
  6. Step 6: Final answer
    x = 32,299.46

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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.