Home / 36,686.77-50,627.94-20,774.32

Finding the Fourth Proportional to 36,686.77, 50,627.94 and 20,774.32

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Solution

The fourth proportional to 36,686.77, 50,627.94 and 20,774.32 is: 28,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.77 : 50,627.94 = 20,774.32 : x
  2. Step 2: Convert to fraction form
    36,686.77/50,627.94 = 20,774.32/x
  3. Step 3: Cross multiply
    36,686.77x = 50,627.94 × 20,774.32
  4. Step 4: Simplify right side
    36,686.77x = 1,051,761,106.81
  5. Step 5: Solve for x
    x = 1,051,761,106.81/36,686.77
  6. Step 6: Final answer
    x = 28,668.67

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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.