Home / 55,130.40-82,695.84-13,577.44

Finding the Fourth Proportional to 55,130.40, 82,695.84 and 13,577.44

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Solution

The fourth proportional to 55,130.40, 82,695.84 and 13,577.44 is: 20,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130.40 : 82,695.84 = 13,577.44 : x
  2. Step 2: Convert to fraction form
    55,130.40/82,695.84 = 13,577.44/x
  3. Step 3: Cross multiply
    55,130.40x = 82,695.84 × 13,577.44
  4. Step 4: Simplify right side
    55,130.40x = 1,122,797,805.85
  5. Step 5: Solve for x
    x = 1,122,797,805.85/55,130.40
  6. Step 6: Final answer
    x = 20,366.22

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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.