Home / 50,133.50-75,209.75-20,150.08

Finding the Fourth Proportional to 50,133.50, 75,209.75 and 20,150.08

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Solution

The fourth proportional to 50,133.50, 75,209.75 and 20,150.08 is: 30,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,133.50 : 75,209.75 = 20,150.08 : x
  2. Step 2: Convert to fraction form
    50,133.50/75,209.75 = 20,150.08/x
  3. Step 3: Cross multiply
    50,133.50x = 75,209.75 × 20,150.08
  4. Step 4: Simplify right side
    50,133.50x = 1,515,482,266.07
  5. Step 5: Solve for x
    x = 1,515,482,266.07/50,133.50
  6. Step 6: Final answer
    x = 30,228.93

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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.