Home / 50,484.13-69,679.97-31,378.33

Finding the Fourth Proportional to 50,484.13, 69,679.97 and 31,378.33

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Solution

The fourth proportional to 50,484.13, 69,679.97 and 31,378.33 is: 43,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,484.13 : 69,679.97 = 31,378.33 : x
  2. Step 2: Convert to fraction form
    50,484.13/69,679.97 = 31,378.33/x
  3. Step 3: Cross multiply
    50,484.13x = 69,679.97 × 31,378.33
  4. Step 4: Simplify right side
    50,484.13x = 2,186,441,389.25
  5. Step 5: Solve for x
    x = 2,186,441,389.25/50,484.13
  6. Step 6: Final answer
    x = 43,309.48

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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.