Home / 47,228.74-65,193.34-31,318.54

Finding the Fourth Proportional to 47,228.74, 65,193.34 and 31,318.54

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Solution

The fourth proportional to 47,228.74, 65,193.34 and 31,318.54 is: 43,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,228.74 : 65,193.34 = 31,318.54 : x
  2. Step 2: Convert to fraction form
    47,228.74/65,193.34 = 31,318.54/x
  3. Step 3: Cross multiply
    47,228.74x = 65,193.34 × 31,318.54
  4. Step 4: Simplify right side
    47,228.74x = 2,041,760,226.52
  5. Step 5: Solve for x
    x = 2,041,760,226.52/47,228.74
  6. Step 6: Final answer
    x = 43,231.31

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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.