Home / 31,379.16-43,303.50-17,233.56

Finding the Fourth Proportional to 31,379.16, 43,303.50 and 17,233.56

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Solution

The fourth proportional to 31,379.16, 43,303.50 and 17,233.56 is: 23,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.16 : 43,303.50 = 17,233.56 : x
  2. Step 2: Convert to fraction form
    31,379.16/43,303.50 = 17,233.56/x
  3. Step 3: Cross multiply
    31,379.16x = 43,303.50 × 17,233.56
  4. Step 4: Simplify right side
    31,379.16x = 746,273,465.46
  5. Step 5: Solve for x
    x = 746,273,465.46/31,379.16
  6. Step 6: Final answer
    x = 23,782.46

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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.