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Finding the Fourth Proportional to 63,084.80, 87,055.08 and 34,788.80

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Solution

The fourth proportional to 63,084.80, 87,055.08 and 34,788.80 is: 48,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,084.80 : 87,055.08 = 34,788.80 : x
  2. Step 2: Convert to fraction form
    63,084.80/87,055.08 = 34,788.80/x
  3. Step 3: Cross multiply
    63,084.80x = 87,055.08 × 34,788.80
  4. Step 4: Simplify right side
    63,084.80x = 3,028,541,767.10
  5. Step 5: Solve for x
    x = 3,028,541,767.10/63,084.80
  6. Step 6: Final answer
    x = 48,007.47

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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.