Home / 74,415.07-111,623.52-21,825.64

Finding the Fourth Proportional to 74,415.07, 111,623.52 and 21,825.64

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Solution

The fourth proportional to 74,415.07, 111,623.52 and 21,825.64 is: 32,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,415.07 : 111,623.52 = 21,825.64 : x
  2. Step 2: Convert to fraction form
    74,415.07/111,623.52 = 21,825.64/x
  3. Step 3: Cross multiply
    74,415.07x = 111,623.52 × 21,825.64
  4. Step 4: Simplify right side
    74,415.07x = 2,436,254,204.94
  5. Step 5: Solve for x
    x = 2,436,254,204.94/74,415.07
  6. Step 6: Final answer
    x = 32,738.72

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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.