Home / 36,071.28-49,777.44-20,155.86

Finding the Fourth Proportional to 36,071.28, 49,777.44 and 20,155.86

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Solution

The fourth proportional to 36,071.28, 49,777.44 and 20,155.86 is: 27,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.28 : 49,777.44 = 20,155.86 : x
  2. Step 2: Convert to fraction form
    36,071.28/49,777.44 = 20,155.86/x
  3. Step 3: Cross multiply
    36,071.28x = 49,777.44 × 20,155.86
  4. Step 4: Simplify right side
    36,071.28x = 1,003,307,111.80
  5. Step 5: Solve for x
    x = 1,003,307,111.80/36,071.28
  6. Step 6: Final answer
    x = 27,814.57

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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.