Home / 55,282.71-82,898.13-20,197.83

Finding the Fourth Proportional to 55,282.71, 82,898.13 and 20,197.83

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Solution

The fourth proportional to 55,282.71, 82,898.13 and 20,197.83 is: 30,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.71 : 82,898.13 = 20,197.83 : x
  2. Step 2: Convert to fraction form
    55,282.71/82,898.13 = 20,197.83/x
  3. Step 3: Cross multiply
    55,282.71x = 82,898.13 × 20,197.83
  4. Step 4: Simplify right side
    55,282.71x = 1,674,362,337.06
  5. Step 5: Solve for x
    x = 1,674,362,337.06/55,282.71
  6. Step 6: Final answer
    x = 30,287.27

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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.