Home / 33,430.87-46,133.37-18,323.36

Finding the Fourth Proportional to 33,430.87, 46,133.37 and 18,323.36

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Solution

The fourth proportional to 33,430.87, 46,133.37 and 18,323.36 is: 25,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.87 : 46,133.37 = 18,323.36 : x
  2. Step 2: Convert to fraction form
    33,430.87/46,133.37 = 18,323.36/x
  3. Step 3: Cross multiply
    33,430.87x = 46,133.37 × 18,323.36
  4. Step 4: Simplify right side
    33,430.87x = 845,318,115.86
  5. Step 5: Solve for x
    x = 845,318,115.86/33,430.87
  6. Step 6: Final answer
    x = 25,285.56

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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.