Home / 56,224.86-84,308.62-18,771.47

Finding the Fourth Proportional to 56,224.86, 84,308.62 and 18,771.47

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Solution

The fourth proportional to 56,224.86, 84,308.62 and 18,771.47 is: 28,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,224.86 : 84,308.62 = 18,771.47 : x
  2. Step 2: Convert to fraction form
    56,224.86/84,308.62 = 18,771.47/x
  3. Step 3: Cross multiply
    56,224.86x = 84,308.62 × 18,771.47
  4. Step 4: Simplify right side
    56,224.86x = 1,582,596,731.07
  5. Step 5: Solve for x
    x = 1,582,596,731.07/56,224.86
  6. Step 6: Final answer
    x = 28,147.63

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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.