Home / 50,152.80-75,118.26-20,480.67

Finding the Fourth Proportional to 50,152.80, 75,118.26 and 20,480.67

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Solution

The fourth proportional to 50,152.80, 75,118.26 and 20,480.67 is: 30,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,152.80 : 75,118.26 = 20,480.67 : x
  2. Step 2: Convert to fraction form
    50,152.80/75,118.26 = 20,480.67/x
  3. Step 3: Cross multiply
    50,152.80x = 75,118.26 × 20,480.67
  4. Step 4: Simplify right side
    50,152.80x = 1,538,472,294.03
  5. Step 5: Solve for x
    x = 1,538,472,294.03/50,152.80
  6. Step 6: Final answer
    x = 30,675.70

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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.