Home / 34,205.51-47,190.62-20,771.69

Finding the Fourth Proportional to 34,205.51, 47,190.62 and 20,771.69

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Solution

The fourth proportional to 34,205.51, 47,190.62 and 20,771.69 is: 28,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,205.51 : 47,190.62 = 20,771.69 : x
  2. Step 2: Convert to fraction form
    34,205.51/47,190.62 = 20,771.69/x
  3. Step 3: Cross multiply
    34,205.51x = 47,190.62 × 20,771.69
  4. Step 4: Simplify right side
    34,205.51x = 980,228,825.69
  5. Step 5: Solve for x
    x = 980,228,825.69/34,205.51
  6. Step 6: Final answer
    x = 28,657.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.