Home / 36,683.21-55,028.45-13,311.47

Finding the Fourth Proportional to 36,683.21, 55,028.45 and 13,311.47

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Solution

The fourth proportional to 36,683.21, 55,028.45 and 13,311.47 is: 19,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.21 : 55,028.45 = 13,311.47 : x
  2. Step 2: Convert to fraction form
    36,683.21/55,028.45 = 13,311.47/x
  3. Step 3: Cross multiply
    36,683.21x = 55,028.45 × 13,311.47
  4. Step 4: Simplify right side
    36,683.21x = 732,509,219.62
  5. Step 5: Solve for x
    x = 732,509,219.62/36,683.21
  6. Step 6: Final answer
    x = 19,968.52

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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.