Home / 36,455.19-50,307.21-20,538.69

Finding the Fourth Proportional to 36,455.19, 50,307.21 and 20,538.69

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Solution

The fourth proportional to 36,455.19, 50,307.21 and 20,538.69 is: 28,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,455.19 : 50,307.21 = 20,538.69 : x
  2. Step 2: Convert to fraction form
    36,455.19/50,307.21 = 20,538.69/x
  3. Step 3: Cross multiply
    36,455.19x = 50,307.21 × 20,538.69
  4. Step 4: Simplify right side
    36,455.19x = 1,033,244,190.95
  5. Step 5: Solve for x
    x = 1,033,244,190.95/36,455.19
  6. Step 6: Final answer
    x = 28,342.86

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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.