Home / 50,797.87-70,135.31-31,706.72

Finding the Fourth Proportional to 50,797.87, 70,135.31 and 31,706.72

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Solution

The fourth proportional to 50,797.87, 70,135.31 and 31,706.72 is: 43,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,797.87 : 70,135.31 = 31,706.72 : x
  2. Step 2: Convert to fraction form
    50,797.87/70,135.31 = 31,706.72/x
  3. Step 3: Cross multiply
    50,797.87x = 70,135.31 × 31,706.72
  4. Step 4: Simplify right side
    50,797.87x = 2,223,760,477.75
  5. Step 5: Solve for x
    x = 2,223,760,477.75/50,797.87
  6. Step 6: Final answer
    x = 43,776.65

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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.