Home / 31,206.06-43,059.38-17,777.57

Finding the Fourth Proportional to 31,206.06, 43,059.38 and 17,777.57

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Solution

The fourth proportional to 31,206.06, 43,059.38 and 17,777.57 is: 24,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.06 : 43,059.38 = 17,777.57 : x
  2. Step 2: Convert to fraction form
    31,206.06/43,059.38 = 17,777.57/x
  3. Step 3: Cross multiply
    31,206.06x = 43,059.38 × 17,777.57
  4. Step 4: Simplify right side
    31,206.06x = 765,490,837.92
  5. Step 5: Solve for x
    x = 765,490,837.92/31,206.06
  6. Step 6: Final answer
    x = 24,530.20

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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.