Home / 33,913.35-46,789.20-20,479.50

Finding the Fourth Proportional to 33,913.35, 46,789.20 and 20,479.50

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Solution

The fourth proportional to 33,913.35, 46,789.20 and 20,479.50 is: 28,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,913.35 : 46,789.20 = 20,479.50 : x
  2. Step 2: Convert to fraction form
    33,913.35/46,789.20 = 20,479.50/x
  3. Step 3: Cross multiply
    33,913.35x = 46,789.20 × 20,479.50
  4. Step 4: Simplify right side
    33,913.35x = 958,219,421.40
  5. Step 5: Solve for x
    x = 958,219,421.40/33,913.35
  6. Step 6: Final answer
    x = 28,254.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.