Home / 38,412.27-57,618.41-12,119.06

Finding the Fourth Proportional to 38,412.27, 57,618.41 and 12,119.06

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Solution

The fourth proportional to 38,412.27, 57,618.41 and 12,119.06 is: 18,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.27 : 57,618.41 = 12,119.06 : x
  2. Step 2: Convert to fraction form
    38,412.27/57,618.41 = 12,119.06/x
  3. Step 3: Cross multiply
    38,412.27x = 57,618.41 × 12,119.06
  4. Step 4: Simplify right side
    38,412.27x = 698,280,619.21
  5. Step 5: Solve for x
    x = 698,280,619.21/38,412.27
  6. Step 6: Final answer
    x = 18,178.58

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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.