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Finding the Fourth Proportional to 50,762.09, 70,050.80 and 28,100.59

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Solution

The fourth proportional to 50,762.09, 70,050.80 and 28,100.59 is: 38,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,762.09 : 70,050.80 = 28,100.59 : x
  2. Step 2: Convert to fraction form
    50,762.09/70,050.80 = 28,100.59/x
  3. Step 3: Cross multiply
    50,762.09x = 70,050.80 × 28,100.59
  4. Step 4: Simplify right side
    50,762.09x = 1,968,468,705.10
  5. Step 5: Solve for x
    x = 1,968,468,705.10/50,762.09
  6. Step 6: Final answer
    x = 38,778.32

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