Home / 51,504.15-71,074.90-28,842.95

Finding the Fourth Proportional to 51,504.15, 71,074.90 and 28,842.95

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Solution

The fourth proportional to 51,504.15, 71,074.90 and 28,842.95 is: 39,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,504.15 : 71,074.90 = 28,842.95 : x
  2. Step 2: Convert to fraction form
    51,504.15/71,074.90 = 28,842.95/x
  3. Step 3: Cross multiply
    51,504.15x = 71,074.90 × 28,842.95
  4. Step 4: Simplify right side
    51,504.15x = 2,050,010,000.70
  5. Step 5: Solve for x
    x = 2,050,010,000.70/51,504.15
  6. Step 6: Final answer
    x = 39,802.81

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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.