Home / 20,444.54-30,667.48-5,451.50

Finding the Fourth Proportional to 20,444.54, 30,667.48 and 5,451.50

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Solution

The fourth proportional to 20,444.54, 30,667.48 and 5,451.50 is: 8,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.54 : 30,667.48 = 5,451.50 : x
  2. Step 2: Convert to fraction form
    20,444.54/30,667.48 = 5,451.50/x
  3. Step 3: Cross multiply
    20,444.54x = 30,667.48 × 5,451.50
  4. Step 4: Simplify right side
    20,444.54x = 167,183,830.26
  5. Step 5: Solve for x
    x = 167,183,830.26/20,444.54
  6. Step 6: Final answer
    x = 8,177.43

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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.