Home / 54,943.36-75,821.12-29,792.72

Finding the Fourth Proportional to 54,943.36, 75,821.12 and 29,792.72

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Solution

The fourth proportional to 54,943.36, 75,821.12 and 29,792.72 is: 41,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,943.36 : 75,821.12 = 29,792.72 : x
  2. Step 2: Convert to fraction form
    54,943.36/75,821.12 = 29,792.72/x
  3. Step 3: Cross multiply
    54,943.36x = 75,821.12 × 29,792.72
  4. Step 4: Simplify right side
    54,943.36x = 2,258,917,398.25
  5. Step 5: Solve for x
    x = 2,258,917,398.25/54,943.36
  6. Step 6: Final answer
    x = 41,113.56

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1.5x scale

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.