Home / 50,741.48-70,021.80-28,081.41

Finding the Fourth Proportional to 50,741.48, 70,021.80 and 28,081.41

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Solution

The fourth proportional to 50,741.48, 70,021.80 and 28,081.41 is: 38,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,741.48 : 70,021.80 = 28,081.41 : x
  2. Step 2: Convert to fraction form
    50,741.48/70,021.80 = 28,081.41/x
  3. Step 3: Cross multiply
    50,741.48x = 70,021.80 × 28,081.41
  4. Step 4: Simplify right side
    50,741.48x = 1,966,310,874.74
  5. Step 5: Solve for x
    x = 1,966,310,874.74/50,741.48
  6. Step 6: Final answer
    x = 38,751.55

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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.