Home / 33,144.80-45,740.50-18,038.30

Finding the Fourth Proportional to 33,144.80, 45,740.50 and 18,038.30

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Solution

The fourth proportional to 33,144.80, 45,740.50 and 18,038.30 is: 24,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,144.80 : 45,740.50 = 18,038.30 : x
  2. Step 2: Convert to fraction form
    33,144.80/45,740.50 = 18,038.30/x
  3. Step 3: Cross multiply
    33,144.80x = 45,740.50 × 18,038.30
  4. Step 4: Simplify right side
    33,144.80x = 825,080,587.35
  5. Step 5: Solve for x
    x = 825,080,587.35/33,144.80
  6. Step 6: Final answer
    x = 24,893.22

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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.