Home / 52,847.90-79,269.09-13,405.35

Finding the Fourth Proportional to 52,847.90, 79,269.09 and 13,405.35

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Solution

The fourth proportional to 52,847.90, 79,269.09 and 13,405.35 is: 20,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,847.90 : 79,269.09 = 13,405.35 : x
  2. Step 2: Convert to fraction form
    52,847.90/79,269.09 = 13,405.35/x
  3. Step 3: Cross multiply
    52,847.90x = 79,269.09 × 13,405.35
  4. Step 4: Simplify right side
    52,847.90x = 1,062,629,895.63
  5. Step 5: Solve for x
    x = 1,062,629,895.63/52,847.90
  6. Step 6: Final answer
    x = 20,107.32

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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.