Home / 33,427.86-46,129.46-18,320.20

Finding the Fourth Proportional to 33,427.86, 46,129.46 and 18,320.20

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Solution

The fourth proportional to 33,427.86, 46,129.46 and 18,320.20 is: 25,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,427.86 : 46,129.46 = 18,320.20 : x
  2. Step 2: Convert to fraction form
    33,427.86/46,129.46 = 18,320.20/x
  3. Step 3: Cross multiply
    33,427.86x = 46,129.46 × 18,320.20
  4. Step 4: Simplify right side
    33,427.86x = 845,100,933.09
  5. Step 5: Solve for x
    x = 845,100,933.09/33,427.86
  6. Step 6: Final answer
    x = 25,281.34

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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.