Home / 36,640.09-50,566.04-20,509.03

Finding the Fourth Proportional to 36,640.09, 50,566.04 and 20,509.03

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Solution

The fourth proportional to 36,640.09, 50,566.04 and 20,509.03 is: 28,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.09 : 50,566.04 = 20,509.03 : x
  2. Step 2: Convert to fraction form
    36,640.09/50,566.04 = 20,509.03/x
  3. Step 3: Cross multiply
    36,640.09x = 50,566.04 × 20,509.03
  4. Step 4: Simplify right side
    36,640.09x = 1,037,060,431.34
  5. Step 5: Solve for x
    x = 1,037,060,431.34/36,640.09
  6. Step 6: Final answer
    x = 28,303.98

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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.