Home / 54,579.03-75,318.36-30,705.87

Finding the Fourth Proportional to 54,579.03, 75,318.36 and 30,705.87

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Solution

The fourth proportional to 54,579.03, 75,318.36 and 30,705.87 is: 42,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.03 : 75,318.36 = 30,705.87 : x
  2. Step 2: Convert to fraction form
    54,579.03/75,318.36 = 30,705.87/x
  3. Step 3: Cross multiply
    54,579.03x = 75,318.36 × 30,705.87
  4. Step 4: Simplify right side
    54,579.03x = 2,312,715,770.77
  5. Step 5: Solve for x
    x = 2,312,715,770.77/54,579.03
  6. Step 6: Final answer
    x = 42,373.71

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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.