Home / 36,301.02-50,099.55-20,390.58

Finding the Fourth Proportional to 36,301.02, 50,099.55 and 20,390.58

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Solution

The fourth proportional to 36,301.02, 50,099.55 and 20,390.58 is: 28,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,301.02 : 50,099.55 = 20,390.58 : x
  2. Step 2: Convert to fraction form
    36,301.02/50,099.55 = 20,390.58/x
  3. Step 3: Cross multiply
    36,301.02x = 50,099.55 × 20,390.58
  4. Step 4: Simplify right side
    36,301.02x = 1,021,558,882.24
  5. Step 5: Solve for x
    x = 1,021,558,882.24/36,301.02
  6. Step 6: Final answer
    x = 28,141.33

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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.