Home / 31,208.06-43,062.14-17,779.56

Finding the Fourth Proportional to 31,208.06, 43,062.14 and 17,779.56

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Solution

The fourth proportional to 31,208.06, 43,062.14 and 17,779.56 is: 24,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,208.06 : 43,062.14 = 17,779.56 : x
  2. Step 2: Convert to fraction form
    31,208.06/43,062.14 = 17,779.56/x
  3. Step 3: Cross multiply
    31,208.06x = 43,062.14 × 17,779.56
  4. Step 4: Simplify right side
    31,208.06x = 765,625,901.86
  5. Step 5: Solve for x
    x = 765,625,901.86/31,208.06
  6. Step 6: Final answer
    x = 24,532.95

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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.