Home / 31,830.56-47,673.17-15,202.31

Finding the Fourth Proportional to 31,830.56, 47,673.17 and 15,202.31

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Solution

The fourth proportional to 31,830.56, 47,673.17 and 15,202.31 is: 22,768.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,830.56 : 47,673.17 = 15,202.31 : x
  2. Step 2: Convert to fraction form
    31,830.56/47,673.17 = 15,202.31/x
  3. Step 3: Cross multiply
    31,830.56x = 47,673.17 × 15,202.31
  4. Step 4: Simplify right side
    31,830.56x = 724,741,994.65
  5. Step 5: Solve for x
    x = 724,741,994.65/31,830.56
  6. Step 6: Final answer
    x = 22,768.75

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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.