Home / 31,360.16-43,277.64-17,212.88

Finding the Fourth Proportional to 31,360.16, 43,277.64 and 17,212.88

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Solution

The fourth proportional to 31,360.16, 43,277.64 and 17,212.88 is: 23,754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.16 : 43,277.64 = 17,212.88 : x
  2. Step 2: Convert to fraction form
    31,360.16/43,277.64 = 17,212.88/x
  3. Step 3: Cross multiply
    31,360.16x = 43,277.64 × 17,212.88
  4. Step 4: Simplify right side
    31,360.16x = 744,932,824.00
  5. Step 5: Solve for x
    x = 744,932,824.00/31,360.16
  6. Step 6: Final answer
    x = 23,754.11

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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.