Home / 52,860.53-79,293.54-13,418.03

Finding the Fourth Proportional to 52,860.53, 79,293.54 and 13,418.03

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Solution

The fourth proportional to 52,860.53, 79,293.54 and 13,418.03 is: 20,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,860.53 : 79,293.54 = 13,418.03 : x
  2. Step 2: Convert to fraction form
    52,860.53/79,293.54 = 13,418.03/x
  3. Step 3: Cross multiply
    52,860.53x = 79,293.54 × 13,418.03
  4. Step 4: Simplify right side
    52,860.53x = 1,063,963,098.53
  5. Step 5: Solve for x
    x = 1,063,963,098.53/52,860.53
  6. Step 6: Final answer
    x = 20,127.74

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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.