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Finding the Fourth Proportional to 63,639, 87,821.82 and 35,347.32

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Solution

The fourth proportional to 63,639, 87,821.82 and 35,347.32 is: 48,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639 : 87,821.82 = 35,347.32 : x
  2. Step 2: Convert to fraction form
    63,639/87,821.82 = 35,347.32/x
  3. Step 3: Cross multiply
    63,639x = 87,821.82 × 35,347.32
  4. Step 4: Simplify right side
    63,639x = 3,104,265,974.52
  5. Step 5: Solve for x
    x = 3,104,265,974.52/63,639
  6. Step 6: Final answer
    x = 48,779.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.