Home / 38,119.41-57,166.16-19,392.21

Finding the Fourth Proportional to 38,119.41, 57,166.16 and 19,392.21

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Solution

The fourth proportional to 38,119.41, 57,166.16 and 19,392.21 is: 29,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,119.41 : 57,166.16 = 19,392.21 : x
  2. Step 2: Convert to fraction form
    38,119.41/57,166.16 = 19,392.21/x
  3. Step 3: Cross multiply
    38,119.41x = 57,166.16 × 19,392.21
  4. Step 4: Simplify right side
    38,119.41x = 1,108,578,082.65
  5. Step 5: Solve for x
    x = 1,108,578,082.65/38,119.41
  6. Step 6: Final answer
    x = 29,081.72

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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.