Home / 36,322.46-50,122.69-21,219.40

Finding the Fourth Proportional to 36,322.46, 50,122.69 and 21,219.40

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Solution

The fourth proportional to 36,322.46, 50,122.69 and 21,219.40 is: 29,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,322.46 : 50,122.69 = 21,219.40 : x
  2. Step 2: Convert to fraction form
    36,322.46/50,122.69 = 21,219.40/x
  3. Step 3: Cross multiply
    36,322.46x = 50,122.69 × 21,219.40
  4. Step 4: Simplify right side
    36,322.46x = 1,063,573,408.19
  5. Step 5: Solve for x
    x = 1,063,573,408.19/36,322.46
  6. Step 6: Final answer
    x = 29,281.43

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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.