Home / 20,050.12-30,079.50-8,364.52

Finding the Fourth Proportional to 20,050.12, 30,079.50 and 8,364.52

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Solution

The fourth proportional to 20,050.12, 30,079.50 and 8,364.52 is: 12,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.12 : 30,079.50 = 8,364.52 : x
  2. Step 2: Convert to fraction form
    20,050.12/30,079.50 = 8,364.52/x
  3. Step 3: Cross multiply
    20,050.12x = 30,079.50 × 8,364.52
  4. Step 4: Simplify right side
    20,050.12x = 251,600,579.34
  5. Step 5: Solve for x
    x = 251,600,579.34/20,050.12
  6. Step 6: Final answer
    x = 12,548.58

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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.