Home / 31,564.96-47,345.84-9,378.56

Finding the Fourth Proportional to 31,564.96, 47,345.84 and 9,378.56

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Solution

The fourth proportional to 31,564.96, 47,345.84 and 9,378.56 is: 14,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.96 : 47,345.84 = 9,378.56 : x
  2. Step 2: Convert to fraction form
    31,564.96/47,345.84 = 9,378.56/x
  3. Step 3: Cross multiply
    31,564.96x = 47,345.84 × 9,378.56
  4. Step 4: Simplify right side
    31,564.96x = 444,035,801.19
  5. Step 5: Solve for x
    x = 444,035,801.19/31,564.96
  6. Step 6: Final answer
    x = 14,067.36

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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.