Home / 30,591.56-45,877.62-20,793.80

Finding the Fourth Proportional to 30,591.56, 45,877.62 and 20,793.80

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Solution

The fourth proportional to 30,591.56, 45,877.62 and 20,793.80 is: 31,184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591.56 : 45,877.62 = 20,793.80 : x
  2. Step 2: Convert to fraction form
    30,591.56/45,877.62 = 20,793.80/x
  3. Step 3: Cross multiply
    30,591.56x = 45,877.62 × 20,793.80
  4. Step 4: Simplify right side
    30,591.56x = 953,969,825.37
  5. Step 5: Solve for x
    x = 953,969,825.37/30,591.56
  6. Step 6: Final answer
    x = 31,184.09

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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.