Home / 56,387.43-84,614.42-20,873.68

Finding the Fourth Proportional to 56,387.43, 84,614.42 and 20,873.68

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Solution

The fourth proportional to 56,387.43, 84,614.42 and 20,873.68 is: 31,322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.43 : 84,614.42 = 20,873.68 : x
  2. Step 2: Convert to fraction form
    56,387.43/84,614.42 = 20,873.68/x
  3. Step 3: Cross multiply
    56,387.43x = 84,614.42 × 20,873.68
  4. Step 4: Simplify right side
    56,387.43x = 1,766,214,167.11
  5. Step 5: Solve for x
    x = 1,766,214,167.11/56,387.43
  6. Step 6: Final answer
    x = 31,322.84

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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.