Home / 36,818.64-50,811.12-20,903.76

Finding the Fourth Proportional to 36,818.64, 50,811.12 and 20,903.76

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Solution

The fourth proportional to 36,818.64, 50,811.12 and 20,903.76 is: 28,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,818.64 : 50,811.12 = 20,903.76 : x
  2. Step 2: Convert to fraction form
    36,818.64/50,811.12 = 20,903.76/x
  3. Step 3: Cross multiply
    36,818.64x = 50,811.12 × 20,903.76
  4. Step 4: Simplify right side
    36,818.64x = 1,062,143,457.81
  5. Step 5: Solve for x
    x = 1,062,143,457.81/36,818.64
  6. Step 6: Final answer
    x = 28,847.98

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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.