Home / 54,558.71-81,828.95-15,119.81

Finding the Fourth Proportional to 54,558.71, 81,828.95 and 15,119.81

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Solution

The fourth proportional to 54,558.71, 81,828.95 and 15,119.81 is: 22,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,558.71 : 81,828.95 = 15,119.81 : x
  2. Step 2: Convert to fraction form
    54,558.71/81,828.95 = 15,119.81/x
  3. Step 3: Cross multiply
    54,558.71x = 81,828.95 × 15,119.81
  4. Step 4: Simplify right side
    54,558.71x = 1,237,237,691.76
  5. Step 5: Solve for x
    x = 1,237,237,691.76/54,558.71
  6. Step 6: Final answer
    x = 22,677.18

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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.