Home / 50,311.63-75,502.10-20,729.51

Finding the Fourth Proportional to 50,311.63, 75,502.10 and 20,729.51

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Solution

The fourth proportional to 50,311.63, 75,502.10 and 20,729.51 is: 31,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,311.63 : 75,502.10 = 20,729.51 : x
  2. Step 2: Convert to fraction form
    50,311.63/75,502.10 = 20,729.51/x
  3. Step 3: Cross multiply
    50,311.63x = 75,502.10 × 20,729.51
  4. Step 4: Simplify right side
    50,311.63x = 1,565,121,536.97
  5. Step 5: Solve for x
    x = 1,565,121,536.97/50,311.63
  6. Step 6: Final answer
    x = 31,108.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.