Home / 33,430.86-46,133.60-18,323.20

Finding the Fourth Proportional to 33,430.86, 46,133.60 and 18,323.20

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Solution

The fourth proportional to 33,430.86, 46,133.60 and 18,323.20 is: 25,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.86 : 46,133.60 = 18,323.20 : x
  2. Step 2: Convert to fraction form
    33,430.86/46,133.60 = 18,323.20/x
  3. Step 3: Cross multiply
    33,430.86x = 46,133.60 × 18,323.20
  4. Step 4: Simplify right side
    33,430.86x = 845,315,179.52
  5. Step 5: Solve for x
    x = 845,315,179.52/33,430.86
  6. Step 6: Final answer
    x = 25,285.48

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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.