Home / 54,365.76-81,535.68-14,919.84

Finding the Fourth Proportional to 54,365.76, 81,535.68 and 14,919.84

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Solution

The fourth proportional to 54,365.76, 81,535.68 and 14,919.84 is: 22,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,365.76 : 81,535.68 = 14,919.84 : x
  2. Step 2: Convert to fraction form
    54,365.76/81,535.68 = 14,919.84/x
  3. Step 3: Cross multiply
    54,365.76x = 81,535.68 × 14,919.84
  4. Step 4: Simplify right side
    54,365.76x = 1,216,499,299.89
  5. Step 5: Solve for x
    x = 1,216,499,299.89/54,365.76
  6. Step 6: Final answer
    x = 22,376.20

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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.