Home / 39,471.78-54,452.04-28,699.95

Finding the Fourth Proportional to 39,471.78, 54,452.04 and 28,699.95

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Solution

The fourth proportional to 39,471.78, 54,452.04 and 28,699.95 is: 39,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.78 : 54,452.04 = 28,699.95 : x
  2. Step 2: Convert to fraction form
    39,471.78/54,452.04 = 28,699.95/x
  3. Step 3: Cross multiply
    39,471.78x = 54,452.04 × 28,699.95
  4. Step 4: Simplify right side
    39,471.78x = 1,562,770,825.40
  5. Step 5: Solve for x
    x = 1,562,770,825.40/39,471.78
  6. Step 6: Final answer
    x = 39,592.10

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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.