Home / 55,146.90-82,680.03-17,685.65

Finding the Fourth Proportional to 55,146.90, 82,680.03 and 17,685.65

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Solution

The fourth proportional to 55,146.90, 82,680.03 and 17,685.65 is: 26,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,146.90 : 82,680.03 = 17,685.65 : x
  2. Step 2: Convert to fraction form
    55,146.90/82,680.03 = 17,685.65/x
  3. Step 3: Cross multiply
    55,146.90x = 82,680.03 × 17,685.65
  4. Step 4: Simplify right side
    55,146.90x = 1,462,250,072.57
  5. Step 5: Solve for x
    x = 1,462,250,072.57/55,146.90
  6. Step 6: Final answer
    x = 26,515.54

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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.