Home / 33,990.34-51,017.95-20,868.34

Finding the Fourth Proportional to 33,990.34, 51,017.95 and 20,868.34

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Solution

The fourth proportional to 33,990.34, 51,017.95 and 20,868.34 is: 31,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.34 : 51,017.95 = 20,868.34 : x
  2. Step 2: Convert to fraction form
    33,990.34/51,017.95 = 20,868.34/x
  3. Step 3: Cross multiply
    33,990.34x = 51,017.95 × 20,868.34
  4. Step 4: Simplify right side
    33,990.34x = 1,064,659,926.70
  5. Step 5: Solve for x
    x = 1,064,659,926.70/33,990.34
  6. Step 6: Final answer
    x = 31,322.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.