Home / 55,387.36-83,072.84-17,950.70

Finding the Fourth Proportional to 55,387.36, 83,072.84 and 17,950.70

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Solution

The fourth proportional to 55,387.36, 83,072.84 and 17,950.70 is: 26,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,387.36 : 83,072.84 = 17,950.70 : x
  2. Step 2: Convert to fraction form
    55,387.36/83,072.84 = 17,950.70/x
  3. Step 3: Cross multiply
    55,387.36x = 83,072.84 × 17,950.70
  4. Step 4: Simplify right side
    55,387.36x = 1,491,215,628.99
  5. Step 5: Solve for x
    x = 1,491,215,628.99/55,387.36
  6. Step 6: Final answer
    x = 26,923.39

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1.5x scale

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.