Home / 36,554.76-50,445.18-20,638.26

Finding the Fourth Proportional to 36,554.76, 50,445.18 and 20,638.26

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Solution

The fourth proportional to 36,554.76, 50,445.18 and 20,638.26 is: 28,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,554.76 : 50,445.18 = 20,638.26 : x
  2. Step 2: Convert to fraction form
    36,554.76/50,445.18 = 20,638.26/x
  3. Step 3: Cross multiply
    36,554.76x = 50,445.18 × 20,638.26
  4. Step 4: Simplify right side
    36,554.76x = 1,041,100,740.59
  5. Step 5: Solve for x
    x = 1,041,100,740.59/36,554.76
  6. Step 6: Final answer
    x = 28,480.58

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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.