Home / 41,317.20-61,975.80-13,611.60

Finding the Fourth Proportional to 41,317.20, 61,975.80 and 13,611.60

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Solution

The fourth proportional to 41,317.20, 61,975.80 and 13,611.60 is: 20,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,317.20 : 61,975.80 = 13,611.60 : x
  2. Step 2: Convert to fraction form
    41,317.20/61,975.80 = 13,611.60/x
  3. Step 3: Cross multiply
    41,317.20x = 61,975.80 × 13,611.60
  4. Step 4: Simplify right side
    41,317.20x = 843,589,799.28
  5. Step 5: Solve for x
    x = 843,589,799.28/41,317.20
  6. Step 6: Final answer
    x = 20,417.40

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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.