Home / 54,582.64-81,873.96-15,139.76

Finding the Fourth Proportional to 54,582.64, 81,873.96 and 15,139.76

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Solution

The fourth proportional to 54,582.64, 81,873.96 and 15,139.76 is: 22,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582.64 : 81,873.96 = 15,139.76 : x
  2. Step 2: Convert to fraction form
    54,582.64/81,873.96 = 15,139.76/x
  3. Step 3: Cross multiply
    54,582.64x = 81,873.96 × 15,139.76
  4. Step 4: Simplify right side
    54,582.64x = 1,239,551,619.58
  5. Step 5: Solve for x
    x = 1,239,551,619.58/54,582.64
  6. Step 6: Final answer
    x = 22,709.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.