Home / 52,845.90-79,266.09-13,403.35

Finding the Fourth Proportional to 52,845.90, 79,266.09 and 13,403.35

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Solution

The fourth proportional to 52,845.90, 79,266.09 and 13,403.35 is: 20,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.90 : 79,266.09 = 13,403.35 : x
  2. Step 2: Convert to fraction form
    52,845.90/79,266.09 = 13,403.35/x
  3. Step 3: Cross multiply
    52,845.90x = 79,266.09 × 13,403.35
  4. Step 4: Simplify right side
    52,845.90x = 1,062,431,147.40
  5. Step 5: Solve for x
    x = 1,062,431,147.40/52,845.90
  6. Step 6: Final answer
    x = 20,104.32

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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.