Home / 36,306.08-50,101.44-20,389.76

Finding the Fourth Proportional to 36,306.08, 50,101.44 and 20,389.76

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Solution

The fourth proportional to 36,306.08, 50,101.44 and 20,389.76 is: 28,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,306.08 : 50,101.44 = 20,389.76 : x
  2. Step 2: Convert to fraction form
    36,306.08/50,101.44 = 20,389.76/x
  3. Step 3: Cross multiply
    36,306.08x = 50,101.44 × 20,389.76
  4. Step 4: Simplify right side
    36,306.08x = 1,021,556,337.25
  5. Step 5: Solve for x
    x = 1,021,556,337.25/36,306.08
  6. Step 6: Final answer
    x = 28,137.34

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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.