Home / 29,730.68-41,028-17,155.16

Finding the Fourth Proportional to 29,730.68, 41,028 and 17,155.16

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Solution

The fourth proportional to 29,730.68, 41,028 and 17,155.16 is: 23,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,730.68 : 41,028 = 17,155.16 : x
  2. Step 2: Convert to fraction form
    29,730.68/41,028 = 17,155.16/x
  3. Step 3: Cross multiply
    29,730.68x = 41,028 × 17,155.16
  4. Step 4: Simplify right side
    29,730.68x = 703,841,904.48
  5. Step 5: Solve for x
    x = 703,841,904.48/29,730.68
  6. Step 6: Final answer
    x = 23,673.93

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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.