Home / 55,771.70-83,639.79-18,323.06

Finding the Fourth Proportional to 55,771.70, 83,639.79 and 18,323.06

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Solution

The fourth proportional to 55,771.70, 83,639.79 and 18,323.06 is: 27,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.70 : 83,639.79 = 18,323.06 : x
  2. Step 2: Convert to fraction form
    55,771.70/83,639.79 = 18,323.06/x
  3. Step 3: Cross multiply
    55,771.70x = 83,639.79 × 18,323.06
  4. Step 4: Simplify right side
    55,771.70x = 1,532,536,472.36
  5. Step 5: Solve for x
    x = 1,532,536,472.36/55,771.70
  6. Step 6: Final answer
    x = 27,478.75

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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.