Home / 31,328.76-46,993.14-15,742.68

Finding the Fourth Proportional to 31,328.76, 46,993.14 and 15,742.68

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Solution

The fourth proportional to 31,328.76, 46,993.14 and 15,742.68 is: 23,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328.76 : 46,993.14 = 15,742.68 : x
  2. Step 2: Convert to fraction form
    31,328.76/46,993.14 = 15,742.68/x
  3. Step 3: Cross multiply
    31,328.76x = 46,993.14 × 15,742.68
  4. Step 4: Simplify right side
    31,328.76x = 739,797,965.22
  5. Step 5: Solve for x
    x = 739,797,965.22/31,328.76
  6. Step 6: Final answer
    x = 23,614.02

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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.