Home / 54,435.51-75,119.89-30,562.17

Finding the Fourth Proportional to 54,435.51, 75,119.89 and 30,562.17

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Solution

The fourth proportional to 54,435.51, 75,119.89 and 30,562.17 is: 42,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.51 : 75,119.89 = 30,562.17 : x
  2. Step 2: Convert to fraction form
    54,435.51/75,119.89 = 30,562.17/x
  3. Step 3: Cross multiply
    54,435.51x = 75,119.89 × 30,562.17
  4. Step 4: Simplify right side
    54,435.51x = 2,295,826,695.75
  5. Step 5: Solve for x
    x = 2,295,826,695.75/54,435.51
  6. Step 6: Final answer
    x = 42,175.17

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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.