Home / 33,430.99-46,135.10-18,323.31

Finding the Fourth Proportional to 33,430.99, 46,135.10 and 18,323.31

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Solution

The fourth proportional to 33,430.99, 46,135.10 and 18,323.31 is: 25,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.99 : 46,135.10 = 18,323.31 : x
  2. Step 2: Convert to fraction form
    33,430.99/46,135.10 = 18,323.31/x
  3. Step 3: Cross multiply
    33,430.99x = 46,135.10 × 18,323.31
  4. Step 4: Simplify right side
    33,430.99x = 845,347,739.18
  5. Step 5: Solve for x
    x = 845,347,739.18/33,430.99
  6. Step 6: Final answer
    x = 25,286.35

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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.