Home / 31,969.36-47,933.28-13,244.32

Finding the Fourth Proportional to 31,969.36, 47,933.28 and 13,244.32

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Solution

The fourth proportional to 31,969.36, 47,933.28 and 13,244.32 is: 19,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969.36 : 47,933.28 = 13,244.32 : x
  2. Step 2: Convert to fraction form
    31,969.36/47,933.28 = 13,244.32/x
  3. Step 3: Cross multiply
    31,969.36x = 47,933.28 × 13,244.32
  4. Step 4: Simplify right side
    31,969.36x = 634,843,698.97
  5. Step 5: Solve for x
    x = 634,843,698.97/31,969.36
  6. Step 6: Final answer
    x = 19,857.88

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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.