Home / 31,189.32-46,785.60-15,601.68

Finding the Fourth Proportional to 31,189.32, 46,785.60 and 15,601.68

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Solution

The fourth proportional to 31,189.32, 46,785.60 and 15,601.68 is: 23,403.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189.32 : 46,785.60 = 15,601.68 : x
  2. Step 2: Convert to fraction form
    31,189.32/46,785.60 = 15,601.68/x
  3. Step 3: Cross multiply
    31,189.32x = 46,785.60 × 15,601.68
  4. Step 4: Simplify right side
    31,189.32x = 729,933,959.81
  5. Step 5: Solve for x
    x = 729,933,959.81/31,189.32
  6. Step 6: Final answer
    x = 23,403.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.