Home / 50,218.36-69,301.33-28,708.57

Finding the Fourth Proportional to 50,218.36, 69,301.33 and 28,708.57

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Solution

The fourth proportional to 50,218.36, 69,301.33 and 28,708.57 is: 39,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,218.36 : 69,301.33 = 28,708.57 : x
  2. Step 2: Convert to fraction form
    50,218.36/69,301.33 = 28,708.57/x
  3. Step 3: Cross multiply
    50,218.36x = 69,301.33 × 28,708.57
  4. Step 4: Simplify right side
    50,218.36x = 1,989,541,838.37
  5. Step 5: Solve for x
    x = 1,989,541,838.37/50,218.36
  6. Step 6: Final answer
    x = 39,617.82

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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.