Home / 31,775.76-43,849.80-17,628.24

Finding the Fourth Proportional to 31,775.76, 43,849.80 and 17,628.24

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Solution

The fourth proportional to 31,775.76, 43,849.80 and 17,628.24 is: 24,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,775.76 : 43,849.80 = 17,628.24 : x
  2. Step 2: Convert to fraction form
    31,775.76/43,849.80 = 17,628.24/x
  3. Step 3: Cross multiply
    31,775.76x = 43,849.80 × 17,628.24
  4. Step 4: Simplify right side
    31,775.76x = 772,994,798.35
  5. Step 5: Solve for x
    x = 772,994,798.35/31,775.76
  6. Step 6: Final answer
    x = 24,326.56

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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.