Home / 43,464.01-65,190.57-13,879.39

Finding the Fourth Proportional to 43,464.01, 65,190.57 and 13,879.39

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Solution

The fourth proportional to 43,464.01, 65,190.57 and 13,879.39 is: 20,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,464.01 : 65,190.57 = 13,879.39 : x
  2. Step 2: Convert to fraction form
    43,464.01/65,190.57 = 13,879.39/x
  3. Step 3: Cross multiply
    43,464.01x = 65,190.57 × 13,879.39
  4. Step 4: Simplify right side
    43,464.01x = 904,805,345.35
  5. Step 5: Solve for x
    x = 904,805,345.35/43,464.01
  6. Step 6: Final answer
    x = 20,817.35

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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.