Home / 54,579.35-75,314.15-30,705.51

Finding the Fourth Proportional to 54,579.35, 75,314.15 and 30,705.51

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Solution

The fourth proportional to 54,579.35, 75,314.15 and 30,705.51 is: 42,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.35 : 75,314.15 = 30,705.51 : x
  2. Step 2: Convert to fraction form
    54,579.35/75,314.15 = 30,705.51/x
  3. Step 3: Cross multiply
    54,579.35x = 75,314.15 × 30,705.51
  4. Step 4: Simplify right side
    54,579.35x = 2,312,559,385.97
  5. Step 5: Solve for x
    x = 2,312,559,385.97/54,579.35
  6. Step 6: Final answer
    x = 42,370.59

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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.