Home / 56,359.24-84,544.49-20,829.89

Finding the Fourth Proportional to 56,359.24, 84,544.49 and 20,829.89

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Solution

The fourth proportional to 56,359.24, 84,544.49 and 20,829.89 is: 31,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.24 : 84,544.49 = 20,829.89 : x
  2. Step 2: Convert to fraction form
    56,359.24/84,544.49 = 20,829.89/x
  3. Step 3: Cross multiply
    56,359.24x = 84,544.49 × 20,829.89
  4. Step 4: Simplify right side
    56,359.24x = 1,761,052,426.81
  5. Step 5: Solve for x
    x = 1,761,052,426.81/56,359.24
  6. Step 6: Final answer
    x = 31,246.92

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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.