Home / 53,425.04-80,131.44-13,985.96

Finding the Fourth Proportional to 53,425.04, 80,131.44 and 13,985.96

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Solution

The fourth proportional to 53,425.04, 80,131.44 and 13,985.96 is: 20,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,425.04 : 80,131.44 = 13,985.96 : x
  2. Step 2: Convert to fraction form
    53,425.04/80,131.44 = 13,985.96/x
  3. Step 3: Cross multiply
    53,425.04x = 80,131.44 × 13,985.96
  4. Step 4: Simplify right side
    53,425.04x = 1,120,715,114.58
  5. Step 5: Solve for x
    x = 1,120,715,114.58/53,425.04
  6. Step 6: Final answer
    x = 20,977.34

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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.