Home / 47,245.64-70,858.72-20,933.60

Finding the Fourth Proportional to 47,245.64, 70,858.72 and 20,933.60

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Solution

The fourth proportional to 47,245.64, 70,858.72 and 20,933.60 is: 31,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,245.64 : 70,858.72 = 20,933.60 : x
  2. Step 2: Convert to fraction form
    47,245.64/70,858.72 = 20,933.60/x
  3. Step 3: Cross multiply
    47,245.64x = 70,858.72 × 20,933.60
  4. Step 4: Simplify right side
    47,245.64x = 1,483,328,100.99
  5. Step 5: Solve for x
    x = 1,483,328,100.99/47,245.64
  6. Step 6: Final answer
    x = 31,396.08

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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.