Home / 20,043.52-30,056.81-6,005.54

Finding the Fourth Proportional to 20,043.52, 30,056.81 and 6,005.54

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Solution

The fourth proportional to 20,043.52, 30,056.81 and 6,005.54 is: 9,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.52 : 30,056.81 = 6,005.54 : x
  2. Step 2: Convert to fraction form
    20,043.52/30,056.81 = 6,005.54/x
  3. Step 3: Cross multiply
    20,043.52x = 30,056.81 × 6,005.54
  4. Step 4: Simplify right side
    20,043.52x = 180,507,419.84
  5. Step 5: Solve for x
    x = 180,507,419.84/20,043.52
  6. Step 6: Final answer
    x = 9,005.78

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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.