Home / 33,520.63-46,255.71-18,412.51

Finding the Fourth Proportional to 33,520.63, 46,255.71 and 18,412.51

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Solution

The fourth proportional to 33,520.63, 46,255.71 and 18,412.51 is: 25,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,520.63 : 46,255.71 = 18,412.51 : x
  2. Step 2: Convert to fraction form
    33,520.63/46,255.71 = 18,412.51/x
  3. Step 3: Cross multiply
    33,520.63x = 46,255.71 × 18,412.51
  4. Step 4: Simplify right side
    33,520.63x = 851,683,722.93
  5. Step 5: Solve for x
    x = 851,683,722.93/33,520.63
  6. Step 6: Final answer
    x = 25,407.75

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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.