Home / 33,438.80-50,150.20-19,368.40

Finding the Fourth Proportional to 33,438.80, 50,150.20 and 19,368.40

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Solution

The fourth proportional to 33,438.80, 50,150.20 and 19,368.40 is: 29,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,438.80 : 50,150.20 = 19,368.40 : x
  2. Step 2: Convert to fraction form
    33,438.80/50,150.20 = 19,368.40/x
  3. Step 3: Cross multiply
    33,438.80x = 50,150.20 × 19,368.40
  4. Step 4: Simplify right side
    33,438.80x = 971,329,133.68
  5. Step 5: Solve for x
    x = 971,329,133.68/33,438.80
  6. Step 6: Final answer
    x = 29,047.97

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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.