Home / 54,820.05-82,230.10-19,307.60

Finding the Fourth Proportional to 54,820.05, 82,230.10 and 19,307.60

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Solution

The fourth proportional to 54,820.05, 82,230.10 and 19,307.60 is: 28,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,820.05 : 82,230.10 = 19,307.60 : x
  2. Step 2: Convert to fraction form
    54,820.05/82,230.10 = 19,307.60/x
  3. Step 3: Cross multiply
    54,820.05x = 82,230.10 × 19,307.60
  4. Step 4: Simplify right side
    54,820.05x = 1,587,665,371.07
  5. Step 5: Solve for x
    x = 1,587,665,371.07/54,820.05
  6. Step 6: Final answer
    x = 28,961.40

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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.