Home / 50,728.66-70,006.21-31,616.16

Finding the Fourth Proportional to 50,728.66, 70,006.21 and 31,616.16

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Solution

The fourth proportional to 50,728.66, 70,006.21 and 31,616.16 is: 43,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,728.66 : 70,006.21 = 31,616.16 : x
  2. Step 2: Convert to fraction form
    50,728.66/70,006.21 = 31,616.16/x
  3. Step 3: Cross multiply
    50,728.66x = 70,006.21 × 31,616.16
  4. Step 4: Simplify right side
    50,728.66x = 2,213,327,623.51
  5. Step 5: Solve for x
    x = 2,213,327,623.51/50,728.66
  6. Step 6: Final answer
    x = 43,630.71

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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.