Home / 51,179.70-70,609.24-31,022.04

Finding the Fourth Proportional to 51,179.70, 70,609.24 and 31,022.04

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Solution

The fourth proportional to 51,179.70, 70,609.24 and 31,022.04 is: 42,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.70 : 70,609.24 = 31,022.04 : x
  2. Step 2: Convert to fraction form
    51,179.70/70,609.24 = 31,022.04/x
  3. Step 3: Cross multiply
    51,179.70x = 70,609.24 × 31,022.04
  4. Step 4: Simplify right side
    51,179.70x = 2,190,442,667.65
  5. Step 5: Solve for x
    x = 2,190,442,667.65/51,179.70
  6. Step 6: Final answer
    x = 42,799.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.