Home / 20,151.65-30,227.43-5,360.58

Finding the Fourth Proportional to 20,151.65, 30,227.43 and 5,360.58

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Solution

The fourth proportional to 20,151.65, 30,227.43 and 5,360.58 is: 8,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.65 : 30,227.43 = 5,360.58 : x
  2. Step 2: Convert to fraction form
    20,151.65/30,227.43 = 5,360.58/x
  3. Step 3: Cross multiply
    20,151.65x = 30,227.43 × 5,360.58
  4. Step 4: Simplify right side
    20,151.65x = 162,036,556.71
  5. Step 5: Solve for x
    x = 162,036,556.71/20,151.65
  6. Step 6: Final answer
    x = 8,040.86

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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.