Home / 52,790.19-72,850.48-28,917.73

Finding the Fourth Proportional to 52,790.19, 72,850.48 and 28,917.73

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Solution

The fourth proportional to 52,790.19, 72,850.48 and 28,917.73 is: 39,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.19 : 72,850.48 = 28,917.73 : x
  2. Step 2: Convert to fraction form
    52,790.19/72,850.48 = 28,917.73/x
  3. Step 3: Cross multiply
    52,790.19x = 72,850.48 × 28,917.73
  4. Step 4: Simplify right side
    52,790.19x = 2,106,670,146.76
  5. Step 5: Solve for x
    x = 2,106,670,146.76/52,790.19
  6. Step 6: Final answer
    x = 39,906.47

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1.5x scale

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.