Home / 51,669.86-77,522.04-20,080.93

Finding the Fourth Proportional to 51,669.86, 77,522.04 and 20,080.93

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Solution

The fourth proportional to 51,669.86, 77,522.04 and 20,080.93 is: 30,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,669.86 : 77,522.04 = 20,080.93 : x
  2. Step 2: Convert to fraction form
    51,669.86/77,522.04 = 20,080.93/x
  3. Step 3: Cross multiply
    51,669.86x = 77,522.04 × 20,080.93
  4. Step 4: Simplify right side
    51,669.86x = 1,556,714,321.29
  5. Step 5: Solve for x
    x = 1,556,714,321.29/51,669.86
  6. Step 6: Final answer
    x = 30,128.09

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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.