Home / 50,445.12-75,676.91-20,846.91

Finding the Fourth Proportional to 50,445.12, 75,676.91 and 20,846.91

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Solution

The fourth proportional to 50,445.12, 75,676.91 and 20,846.91 is: 31,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,445.12 : 75,676.91 = 20,846.91 : x
  2. Step 2: Convert to fraction form
    50,445.12/75,676.91 = 20,846.91/x
  3. Step 3: Cross multiply
    50,445.12x = 75,676.91 × 20,846.91
  4. Step 4: Simplify right side
    50,445.12x = 1,577,629,627.61
  5. Step 5: Solve for x
    x = 1,577,629,627.61/50,445.12
  6. Step 6: Final answer
    x = 31,274.18

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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.