Home / 30,919.15-46,369.44-13,149.66

Finding the Fourth Proportional to 30,919.15, 46,369.44 and 13,149.66

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Solution

The fourth proportional to 30,919.15, 46,369.44 and 13,149.66 is: 19,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919.15 : 46,369.44 = 13,149.66 : x
  2. Step 2: Convert to fraction form
    30,919.15/46,369.44 = 13,149.66/x
  3. Step 3: Cross multiply
    30,919.15x = 46,369.44 × 13,149.66
  4. Step 4: Simplify right side
    30,919.15x = 609,742,246.46
  5. Step 5: Solve for x
    x = 609,742,246.46/30,919.15
  6. Step 6: Final answer
    x = 19,720.54

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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.