Home / 33,649.90-46,436.25-18,543.96

Finding the Fourth Proportional to 33,649.90, 46,436.25 and 18,543.96

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Solution

The fourth proportional to 33,649.90, 46,436.25 and 18,543.96 is: 25,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,649.90 : 46,436.25 = 18,543.96 : x
  2. Step 2: Convert to fraction form
    33,649.90/46,436.25 = 18,543.96/x
  3. Step 3: Cross multiply
    33,649.90x = 46,436.25 × 18,543.96
  4. Step 4: Simplify right side
    33,649.90x = 861,111,962.55
  5. Step 5: Solve for x
    x = 861,111,962.55/33,649.90
  6. Step 6: Final answer
    x = 25,590.33

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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.