Home / 65,043.29-89,787.41-39,557.84

Finding the Fourth Proportional to 65,043.29, 89,787.41 and 39,557.84

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Solution

The fourth proportional to 65,043.29, 89,787.41 and 39,557.84 is: 54,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,043.29 : 89,787.41 = 39,557.84 : x
  2. Step 2: Convert to fraction form
    65,043.29/89,787.41 = 39,557.84/x
  3. Step 3: Cross multiply
    65,043.29x = 89,787.41 × 39,557.84
  4. Step 4: Simplify right side
    65,043.29x = 3,551,795,998.79
  5. Step 5: Solve for x
    x = 3,551,795,998.79/65,043.29
  6. Step 6: Final answer
    x = 54,606.65

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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.