Home / 50,956.35-70,317.41-28,296.78

Finding the Fourth Proportional to 50,956.35, 70,317.41 and 28,296.78

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Solution

The fourth proportional to 50,956.35, 70,317.41 and 28,296.78 is: 39,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,956.35 : 70,317.41 = 28,296.78 : x
  2. Step 2: Convert to fraction form
    50,956.35/70,317.41 = 28,296.78/x
  3. Step 3: Cross multiply
    50,956.35x = 70,317.41 × 28,296.78
  4. Step 4: Simplify right side
    50,956.35x = 1,989,756,385.99
  5. Step 5: Solve for x
    x = 1,989,756,385.99/50,956.35
  6. Step 6: Final answer
    x = 39,048.26

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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.