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Finding the Fourth Proportional to 33,632.96, 46,408.64 and 19,483.20

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Solution

The fourth proportional to 33,632.96, 46,408.64 and 19,483.20 is: 26,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,632.96 : 46,408.64 = 19,483.20 : x
  2. Step 2: Convert to fraction form
    33,632.96/46,408.64 = 19,483.20/x
  3. Step 3: Cross multiply
    33,632.96x = 46,408.64 × 19,483.20
  4. Step 4: Simplify right side
    33,632.96x = 904,188,814.85
  5. Step 5: Solve for x
    x = 904,188,814.85/33,632.96
  6. Step 6: Final answer
    x = 26,884.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.