Home / 53,257.08-79,888.62-13,813.14

Finding the Fourth Proportional to 53,257.08, 79,888.62 and 13,813.14

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Solution

The fourth proportional to 53,257.08, 79,888.62 and 13,813.14 is: 20,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,257.08 : 79,888.62 = 13,813.14 : x
  2. Step 2: Convert to fraction form
    53,257.08/79,888.62 = 13,813.14/x
  3. Step 3: Cross multiply
    53,257.08x = 79,888.62 × 13,813.14
  4. Step 4: Simplify right side
    53,257.08x = 1,103,512,692.47
  5. Step 5: Solve for x
    x = 1,103,512,692.47/53,257.08
  6. Step 6: Final answer
    x = 20,720.49

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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.