Home / 54,778.64-82,177.05-19,230.74

Finding the Fourth Proportional to 54,778.64, 82,177.05 and 19,230.74

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Solution

The fourth proportional to 54,778.64, 82,177.05 and 19,230.74 is: 28,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,778.64 : 82,177.05 = 19,230.74 : x
  2. Step 2: Convert to fraction form
    54,778.64/82,177.05 = 19,230.74/x
  3. Step 3: Cross multiply
    54,778.64x = 82,177.05 × 19,230.74
  4. Step 4: Simplify right side
    54,778.64x = 1,580,325,482.52
  5. Step 5: Solve for x
    x = 1,580,325,482.52/54,778.64
  6. Step 6: Final answer
    x = 28,849.30

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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.