Home / 45,458.82-62,715.78-28,456.02

Finding the Fourth Proportional to 45,458.82, 62,715.78 and 28,456.02

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Solution

The fourth proportional to 45,458.82, 62,715.78 and 28,456.02 is: 39,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,458.82 : 62,715.78 = 28,456.02 : x
  2. Step 2: Convert to fraction form
    45,458.82/62,715.78 = 28,456.02/x
  3. Step 3: Cross multiply
    45,458.82x = 62,715.78 × 28,456.02
  4. Step 4: Simplify right side
    45,458.82x = 1,784,641,490.00
  5. Step 5: Solve for x
    x = 1,784,641,490.00/45,458.82
  6. Step 6: Final answer
    x = 39,258.42

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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.