Home / 50,408.26-75,612.39-20,826.86

Finding the Fourth Proportional to 50,408.26, 75,612.39 and 20,826.86

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Solution

The fourth proportional to 50,408.26, 75,612.39 and 20,826.86 is: 31,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,408.26 : 75,612.39 = 20,826.86 : x
  2. Step 2: Convert to fraction form
    50,408.26/75,612.39 = 20,826.86/x
  3. Step 3: Cross multiply
    50,408.26x = 75,612.39 × 20,826.86
  4. Step 4: Simplify right side
    50,408.26x = 1,574,768,204.63
  5. Step 5: Solve for x
    x = 1,574,768,204.63/50,408.26
  6. Step 6: Final answer
    x = 31,240.28

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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.