Home / 34,590.54-51,820.19-20,520.84

Finding the Fourth Proportional to 34,590.54, 51,820.19 and 20,520.84

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Solution

The fourth proportional to 34,590.54, 51,820.19 and 20,520.84 is: 30,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,590.54 : 51,820.19 = 20,520.84 : x
  2. Step 2: Convert to fraction form
    34,590.54/51,820.19 = 20,520.84/x
  3. Step 3: Cross multiply
    34,590.54x = 51,820.19 × 20,520.84
  4. Step 4: Simplify right side
    34,590.54x = 1,063,393,827.76
  5. Step 5: Solve for x
    x = 1,063,393,827.76/34,590.54
  6. Step 6: Final answer
    x = 30,742.33

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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.