Home / 56,080.63-84,089.43-18,620.66

Finding the Fourth Proportional to 56,080.63, 84,089.43 and 18,620.66

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Solution

The fourth proportional to 56,080.63, 84,089.43 and 18,620.66 is: 27,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,080.63 : 84,089.43 = 18,620.66 : x
  2. Step 2: Convert to fraction form
    56,080.63/84,089.43 = 18,620.66/x
  3. Step 3: Cross multiply
    56,080.63x = 84,089.43 × 18,620.66
  4. Step 4: Simplify right side
    56,080.63x = 1,565,800,685.62
  5. Step 5: Solve for x
    x = 1,565,800,685.62/56,080.63
  6. Step 6: Final answer
    x = 27,920.53

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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.