Home / 36,638.22-50,559.39-19,870.86

Finding the Fourth Proportional to 36,638.22, 50,559.39 and 19,870.86

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Solution

The fourth proportional to 36,638.22, 50,559.39 and 19,870.86 is: 27,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.22 : 50,559.39 = 19,870.86 : x
  2. Step 2: Convert to fraction form
    36,638.22/50,559.39 = 19,870.86/x
  3. Step 3: Cross multiply
    36,638.22x = 50,559.39 × 19,870.86
  4. Step 4: Simplify right side
    36,638.22x = 1,004,658,560.38
  5. Step 5: Solve for x
    x = 1,004,658,560.38/36,638.22
  6. Step 6: Final answer
    x = 27,421.05

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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.