Home / 20,841.67-31,255.98-6,051.61

Finding the Fourth Proportional to 20,841.67, 31,255.98 and 6,051.61

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Solution

The fourth proportional to 20,841.67, 31,255.98 and 6,051.61 is: 9,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.67 : 31,255.98 = 6,051.61 : x
  2. Step 2: Convert to fraction form
    20,841.67/31,255.98 = 6,051.61/x
  3. Step 3: Cross multiply
    20,841.67x = 31,255.98 × 6,051.61
  4. Step 4: Simplify right side
    20,841.67x = 189,148,970.87
  5. Step 5: Solve for x
    x = 189,148,970.87/20,841.67
  6. Step 6: Final answer
    x = 9,075.52

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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.