Home / 36,515.89-50,392.29-21,417.49

Finding the Fourth Proportional to 36,515.89, 50,392.29 and 21,417.49

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Solution

The fourth proportional to 36,515.89, 50,392.29 and 21,417.49 is: 29,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515.89 : 50,392.29 = 21,417.49 : x
  2. Step 2: Convert to fraction form
    36,515.89/50,392.29 = 21,417.49/x
  3. Step 3: Cross multiply
    36,515.89x = 50,392.29 × 21,417.49
  4. Step 4: Simplify right side
    36,515.89x = 1,079,276,367.15
  5. Step 5: Solve for x
    x = 1,079,276,367.15/36,515.89
  6. Step 6: Final answer
    x = 29,556.35

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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.