Home / 50,638.05-75,956.85-28,138.14

Finding the Fourth Proportional to 50,638.05, 75,956.85 and 28,138.14

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Solution

The fourth proportional to 50,638.05, 75,956.85 and 28,138.14 is: 42,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,638.05 : 75,956.85 = 28,138.14 : x
  2. Step 2: Convert to fraction form
    50,638.05/75,956.85 = 28,138.14/x
  3. Step 3: Cross multiply
    50,638.05x = 75,956.85 × 28,138.14
  4. Step 4: Simplify right side
    50,638.05x = 2,137,284,479.26
  5. Step 5: Solve for x
    x = 2,137,284,479.26/50,638.05
  6. Step 6: Final answer
    x = 42,207.08

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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.