Home / 43,636.36-65,454.58-12,471.62

Finding the Fourth Proportional to 43,636.36, 65,454.58 and 12,471.62

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Solution

The fourth proportional to 43,636.36, 65,454.58 and 12,471.62 is: 18,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,636.36 : 65,454.58 = 12,471.62 : x
  2. Step 2: Convert to fraction form
    43,636.36/65,454.58 = 12,471.62/x
  3. Step 3: Cross multiply
    43,636.36x = 65,454.58 × 12,471.62
  4. Step 4: Simplify right side
    43,636.36x = 816,324,649.02
  5. Step 5: Solve for x
    x = 816,324,649.02/43,636.36
  6. Step 6: Final answer
    x = 18,707.44

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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.