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Finding the Fourth Proportional to 52,810.95, 79,241.81 and 32,815.02

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Solution

The fourth proportional to 52,810.95, 79,241.81 and 32,815.02 is: 49,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,810.95 : 79,241.81 = 32,815.02 : x
  2. Step 2: Convert to fraction form
    52,810.95/79,241.81 = 32,815.02/x
  3. Step 3: Cross multiply
    52,810.95x = 79,241.81 × 32,815.02
  4. Step 4: Simplify right side
    52,810.95x = 2,600,321,415.91
  5. Step 5: Solve for x
    x = 2,600,321,415.91/52,810.95
  6. Step 6: Final answer
    x = 49,238.30

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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.