Home / 50,811.24-70,123.82-28,157.34

Finding the Fourth Proportional to 50,811.24, 70,123.82 and 28,157.34

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Solution

The fourth proportional to 50,811.24, 70,123.82 and 28,157.34 is: 38,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,811.24 : 70,123.82 = 28,157.34 : x
  2. Step 2: Convert to fraction form
    50,811.24/70,123.82 = 28,157.34/x
  3. Step 3: Cross multiply
    50,811.24x = 70,123.82 × 28,157.34
  4. Step 4: Simplify right side
    50,811.24x = 1,974,500,101.05
  5. Step 5: Solve for x
    x = 1,974,500,101.05/50,811.24
  6. Step 6: Final answer
    x = 38,859.51

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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.