Home / 54,579.60-75,314.49-30,705.76

Finding the Fourth Proportional to 54,579.60, 75,314.49 and 30,705.76

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Solution

The fourth proportional to 54,579.60, 75,314.49 and 30,705.76 is: 42,370.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.60 : 75,314.49 = 30,705.76 : x
  2. Step 2: Convert to fraction form
    54,579.60/75,314.49 = 30,705.76/x
  3. Step 3: Cross multiply
    54,579.60x = 75,314.49 × 30,705.76
  4. Step 4: Simplify right side
    54,579.60x = 2,312,588,633.46
  5. Step 5: Solve for x
    x = 2,312,588,633.46/54,579.60
  6. Step 6: Final answer
    x = 42,370.93

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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.