Home / 20,011.05-30,021.44-5,970.96

Finding the Fourth Proportional to 20,011.05, 30,021.44 and 5,970.96

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Solution

The fourth proportional to 20,011.05, 30,021.44 and 5,970.96 is: 8,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.05 : 30,021.44 = 5,970.96 : x
  2. Step 2: Convert to fraction form
    20,011.05/30,021.44 = 5,970.96/x
  3. Step 3: Cross multiply
    20,011.05x = 30,021.44 × 5,970.96
  4. Step 4: Simplify right side
    20,011.05x = 179,256,787.53
  5. Step 5: Solve for x
    x = 179,256,787.53/20,011.05
  6. Step 6: Final answer
    x = 8,957.89

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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.