Home / 55,145.90-82,678.53-17,684.65

Finding the Fourth Proportional to 55,145.90, 82,678.53 and 17,684.65

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Solution

The fourth proportional to 55,145.90, 82,678.53 and 17,684.65 is: 26,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145.90 : 82,678.53 = 17,684.65 : x
  2. Step 2: Convert to fraction form
    55,145.90/82,678.53 = 17,684.65/x
  3. Step 3: Cross multiply
    55,145.90x = 82,678.53 × 17,684.65
  4. Step 4: Simplify right side
    55,145.90x = 1,462,140,902.60
  5. Step 5: Solve for x
    x = 1,462,140,902.60/55,145.90
  6. Step 6: Final answer
    x = 26,514.04

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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.