Home / 31,650.06-43,682.55-19,074.81

Finding the Fourth Proportional to 31,650.06, 43,682.55 and 19,074.81

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Solution

The fourth proportional to 31,650.06, 43,682.55 and 19,074.81 is: 26,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,650.06 : 43,682.55 = 19,074.81 : x
  2. Step 2: Convert to fraction form
    31,650.06/43,682.55 = 19,074.81/x
  3. Step 3: Cross multiply
    31,650.06x = 43,682.55 × 19,074.81
  4. Step 4: Simplify right side
    31,650.06x = 833,236,341.57
  5. Step 5: Solve for x
    x = 833,236,341.57/31,650.06
  6. Step 6: Final answer
    x = 26,326.53

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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.