Home / 50,885.03-70,221.60-28,222.45

Finding the Fourth Proportional to 50,885.03, 70,221.60 and 28,222.45

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Solution

The fourth proportional to 50,885.03, 70,221.60 and 28,222.45 is: 38,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,885.03 : 70,221.60 = 28,222.45 : x
  2. Step 2: Convert to fraction form
    50,885.03/70,221.60 = 28,222.45/x
  3. Step 3: Cross multiply
    50,885.03x = 70,221.60 × 28,222.45
  4. Step 4: Simplify right side
    50,885.03x = 1,981,825,419.37
  5. Step 5: Solve for x
    x = 1,981,825,419.37/50,885.03
  6. Step 6: Final answer
    x = 38,947.12

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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.