Home / 30,720.92-46,079.21-17,531.96

Finding the Fourth Proportional to 30,720.92, 46,079.21 and 17,531.96

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Solution

The fourth proportional to 30,720.92, 46,079.21 and 17,531.96 is: 26,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,720.92 : 46,079.21 = 17,531.96 : x
  2. Step 2: Convert to fraction form
    30,720.92/46,079.21 = 17,531.96/x
  3. Step 3: Cross multiply
    30,720.92x = 46,079.21 × 17,531.96
  4. Step 4: Simplify right side
    30,720.92x = 807,858,679.99
  5. Step 5: Solve for x
    x = 807,858,679.99/30,720.92
  6. Step 6: Final answer
    x = 26,296.70

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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.