Home / 30,415.06-45,622.57-22,147.67

Finding the Fourth Proportional to 30,415.06, 45,622.57 and 22,147.67

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Solution

The fourth proportional to 30,415.06, 45,622.57 and 22,147.67 is: 33,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,415.06 : 45,622.57 = 22,147.67 : x
  2. Step 2: Convert to fraction form
    30,415.06/45,622.57 = 22,147.67/x
  3. Step 3: Cross multiply
    30,415.06x = 45,622.57 × 22,147.67
  4. Step 4: Simplify right side
    30,415.06x = 1,010,433,534.52
  5. Step 5: Solve for x
    x = 1,010,433,534.52/30,415.06
  6. Step 6: Final answer
    x = 33,221.49

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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.