Home / 33,868.17-46,760.90-21,140.73

Finding the Fourth Proportional to 33,868.17, 46,760.90 and 21,140.73

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Solution

The fourth proportional to 33,868.17, 46,760.90 and 21,140.73 is: 29,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,868.17 : 46,760.90 = 21,140.73 : x
  2. Step 2: Convert to fraction form
    33,868.17/46,760.90 = 21,140.73/x
  3. Step 3: Cross multiply
    33,868.17x = 46,760.90 × 21,140.73
  4. Step 4: Simplify right side
    33,868.17x = 988,559,455.75
  5. Step 5: Solve for x
    x = 988,559,455.75/33,868.17
  6. Step 6: Final answer
    x = 29,188.45

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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.