Home / 36,421.22-50,262.63-20,289.98

Finding the Fourth Proportional to 36,421.22, 50,262.63 and 20,289.98

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Solution

The fourth proportional to 36,421.22, 50,262.63 and 20,289.98 is: 28,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,421.22 : 50,262.63 = 20,289.98 : x
  2. Step 2: Convert to fraction form
    36,421.22/50,262.63 = 20,289.98/x
  3. Step 3: Cross multiply
    36,421.22x = 50,262.63 × 20,289.98
  4. Step 4: Simplify right side
    36,421.22x = 1,019,827,757.45
  5. Step 5: Solve for x
    x = 1,019,827,757.45/36,421.22
  6. Step 6: Final answer
    x = 28,000.92

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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.