Home / 31,277.88-43,159.38-17,848.32

Finding the Fourth Proportional to 31,277.88, 43,159.38 and 17,848.32

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Solution

The fourth proportional to 31,277.88, 43,159.38 and 17,848.32 is: 24,628.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,277.88 : 43,159.38 = 17,848.32 : x
  2. Step 2: Convert to fraction form
    31,277.88/43,159.38 = 17,848.32/x
  3. Step 3: Cross multiply
    31,277.88x = 43,159.38 × 17,848.32
  4. Step 4: Simplify right side
    31,277.88x = 770,322,425.24
  5. Step 5: Solve for x
    x = 770,322,425.24/31,277.88
  6. Step 6: Final answer
    x = 24,628.35

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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.