Home / 47,028.27-70,499.23-20,357.55

Finding the Fourth Proportional to 47,028.27, 70,499.23 and 20,357.55

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Solution

The fourth proportional to 47,028.27, 70,499.23 and 20,357.55 is: 30,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,028.27 : 70,499.23 = 20,357.55 : x
  2. Step 2: Convert to fraction form
    47,028.27/70,499.23 = 20,357.55/x
  3. Step 3: Cross multiply
    47,028.27x = 70,499.23 × 20,357.55
  4. Step 4: Simplify right side
    47,028.27x = 1,435,191,725.60
  5. Step 5: Solve for x
    x = 1,435,191,725.60/47,028.27
  6. Step 6: Final answer
    x = 30,517.64

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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.