Home / 55,701.69-83,555.27-20,633.14

Finding the Fourth Proportional to 55,701.69, 83,555.27 and 20,633.14

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Solution

The fourth proportional to 55,701.69, 83,555.27 and 20,633.14 is: 30,950.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.69 : 83,555.27 = 20,633.14 : x
  2. Step 2: Convert to fraction form
    55,701.69/83,555.27 = 20,633.14/x
  3. Step 3: Cross multiply
    55,701.69x = 83,555.27 × 20,633.14
  4. Step 4: Simplify right side
    55,701.69x = 1,724,007,583.65
  5. Step 5: Solve for x
    x = 1,724,007,583.65/55,701.69
  6. Step 6: Final answer
    x = 30,950.72

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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.