Home / 28,759.47-43,117.68-19,373.14

Finding the Fourth Proportional to 28,759.47, 43,117.68 and 19,373.14

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Solution

The fourth proportional to 28,759.47, 43,117.68 and 19,373.14 is: 29,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759.47 : 43,117.68 = 19,373.14 : x
  2. Step 2: Convert to fraction form
    28,759.47/43,117.68 = 19,373.14/x
  3. Step 3: Cross multiply
    28,759.47x = 43,117.68 × 19,373.14
  4. Step 4: Simplify right side
    28,759.47x = 835,324,977.66
  5. Step 5: Solve for x
    x = 835,324,977.66/28,759.47
  6. Step 6: Final answer
    x = 29,045.22

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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.