Home / 57,944.89-86,956.28-20,504.80

Finding the Fourth Proportional to 57,944.89, 86,956.28 and 20,504.80

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Solution

The fourth proportional to 57,944.89, 86,956.28 and 20,504.80 is: 30,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,944.89 : 86,956.28 = 20,504.80 : x
  2. Step 2: Convert to fraction form
    57,944.89/86,956.28 = 20,504.80/x
  3. Step 3: Cross multiply
    57,944.89x = 86,956.28 × 20,504.80
  4. Step 4: Simplify right side
    57,944.89x = 1,783,021,130.14
  5. Step 5: Solve for x
    x = 1,783,021,130.14/57,944.89
  6. Step 6: Final answer
    x = 30,770.98

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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.