Home / 56,739.62-85,108.14-15,186.62

Finding the Fourth Proportional to 56,739.62, 85,108.14 and 15,186.62

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Solution

The fourth proportional to 56,739.62, 85,108.14 and 15,186.62 is: 22,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,739.62 : 85,108.14 = 15,186.62 : x
  2. Step 2: Convert to fraction form
    56,739.62/85,108.14 = 15,186.62/x
  3. Step 3: Cross multiply
    56,739.62x = 85,108.14 × 15,186.62
  4. Step 4: Simplify right side
    56,739.62x = 1,292,504,981.09
  5. Step 5: Solve for x
    x = 1,292,504,981.09/56,739.62
  6. Step 6: Final answer
    x = 22,779.58

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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.