Home / 36,818.12-50,811.03-21,719.63

Finding the Fourth Proportional to 36,818.12, 50,811.03 and 21,719.63

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Solution

The fourth proportional to 36,818.12, 50,811.03 and 21,719.63 is: 29,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,818.12 : 50,811.03 = 21,719.63 : x
  2. Step 2: Convert to fraction form
    36,818.12/50,811.03 = 21,719.63/x
  3. Step 3: Cross multiply
    36,818.12x = 50,811.03 × 21,719.63
  4. Step 4: Simplify right side
    36,818.12x = 1,103,596,517.46
  5. Step 5: Solve for x
    x = 1,103,596,517.46/36,818.12
  6. Step 6: Final answer
    x = 29,974.28

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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.