Home / 40,648.05-60,917.40-28,947.60

Finding the Fourth Proportional to 40,648.05, 60,917.40 and 28,947.60

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Solution

The fourth proportional to 40,648.05, 60,917.40 and 28,947.60 is: 43,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,648.05 : 60,917.40 = 28,947.60 : x
  2. Step 2: Convert to fraction form
    40,648.05/60,917.40 = 28,947.60/x
  3. Step 3: Cross multiply
    40,648.05x = 60,917.40 × 28,947.60
  4. Step 4: Simplify right side
    40,648.05x = 1,763,412,528.24
  5. Step 5: Solve for x
    x = 1,763,412,528.24/40,648.05
  6. Step 6: Final answer
    x = 43,382.46

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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.