Home / 20,548.86-30,822.27-5,757.45

Finding the Fourth Proportional to 20,548.86, 30,822.27 and 5,757.45

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Solution

The fourth proportional to 20,548.86, 30,822.27 and 5,757.45 is: 8,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.86 : 30,822.27 = 5,757.45 : x
  2. Step 2: Convert to fraction form
    20,548.86/30,822.27 = 5,757.45/x
  3. Step 3: Cross multiply
    20,548.86x = 30,822.27 × 5,757.45
  4. Step 4: Simplify right side
    20,548.86x = 177,457,678.41
  5. Step 5: Solve for x
    x = 177,457,678.41/20,548.86
  6. Step 6: Final answer
    x = 8,635.89

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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.