Home / 33,553.12-46,303.20-18,649.12

Finding the Fourth Proportional to 33,553.12, 46,303.20 and 18,649.12

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Solution

The fourth proportional to 33,553.12, 46,303.20 and 18,649.12 is: 25,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,553.12 : 46,303.20 = 18,649.12 : x
  2. Step 2: Convert to fraction form
    33,553.12/46,303.20 = 18,649.12/x
  3. Step 3: Cross multiply
    33,553.12x = 46,303.20 × 18,649.12
  4. Step 4: Simplify right side
    33,553.12x = 863,513,933.18
  5. Step 5: Solve for x
    x = 863,513,933.18/33,553.12
  6. Step 6: Final answer
    x = 25,735.73

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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.