Home / 75,622.32-113,424.84-20,222.64

Finding the Fourth Proportional to 75,622.32, 113,424.84 and 20,222.64

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Solution

The fourth proportional to 75,622.32, 113,424.84 and 20,222.64 is: 30,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,622.32 : 113,424.84 = 20,222.64 : x
  2. Step 2: Convert to fraction form
    75,622.32/113,424.84 = 20,222.64/x
  3. Step 3: Cross multiply
    75,622.32x = 113,424.84 × 20,222.64
  4. Step 4: Simplify right side
    75,622.32x = 2,293,749,706.38
  5. Step 5: Solve for x
    x = 2,293,749,706.38/75,622.32
  6. Step 6: Final answer
    x = 30,331.65

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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.