Home / 54,803.60-82,205.40-28,231.55

Finding the Fourth Proportional to 54,803.60, 82,205.40 and 28,231.55

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Solution

The fourth proportional to 54,803.60, 82,205.40 and 28,231.55 is: 42,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,803.60 : 82,205.40 = 28,231.55 : x
  2. Step 2: Convert to fraction form
    54,803.60/82,205.40 = 28,231.55/x
  3. Step 3: Cross multiply
    54,803.60x = 82,205.40 × 28,231.55
  4. Step 4: Simplify right side
    54,803.60x = 2,320,785,860.37
  5. Step 5: Solve for x
    x = 2,320,785,860.37/54,803.60
  6. Step 6: Final answer
    x = 42,347.33

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1.5x scale

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.