Home / 37,083.42-55,642.14-20,221.65

Finding the Fourth Proportional to 37,083.42, 55,642.14 and 20,221.65

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Solution

The fourth proportional to 37,083.42, 55,642.14 and 20,221.65 is: 30,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,083.42 : 55,642.14 = 20,221.65 : x
  2. Step 2: Convert to fraction form
    37,083.42/55,642.14 = 20,221.65/x
  3. Step 3: Cross multiply
    37,083.42x = 55,642.14 × 20,221.65
  4. Step 4: Simplify right side
    37,083.42x = 1,125,175,880.33
  5. Step 5: Solve for x
    x = 1,125,175,880.33/37,083.42
  6. Step 6: Final answer
    x = 30,341.75

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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.