Home / 33,871.18-46,765.04-21,143.74

Finding the Fourth Proportional to 33,871.18, 46,765.04 and 21,143.74

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Solution

The fourth proportional to 33,871.18, 46,765.04 and 21,143.74 is: 29,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,871.18 : 46,765.04 = 21,143.74 : x
  2. Step 2: Convert to fraction form
    33,871.18/46,765.04 = 21,143.74/x
  3. Step 3: Cross multiply
    33,871.18x = 46,765.04 × 21,143.74
  4. Step 4: Simplify right side
    33,871.18x = 988,787,846.85
  5. Step 5: Solve for x
    x = 988,787,846.85/33,871.18
  6. Step 6: Final answer
    x = 29,192.60

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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.