Home / 36,337.37-50,146.11-20,421.81

Finding the Fourth Proportional to 36,337.37, 50,146.11 and 20,421.81

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Solution

The fourth proportional to 36,337.37, 50,146.11 and 20,421.81 is: 28,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,337.37 : 50,146.11 = 20,421.81 : x
  2. Step 2: Convert to fraction form
    36,337.37/50,146.11 = 20,421.81/x
  3. Step 3: Cross multiply
    36,337.37x = 50,146.11 × 20,421.81
  4. Step 4: Simplify right side
    36,337.37x = 1,024,074,330.66
  5. Step 5: Solve for x
    x = 1,024,074,330.66/36,337.37
  6. Step 6: Final answer
    x = 28,182.40

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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.