Home / 42,916.11-64,180.78-32,787.57

Finding the Fourth Proportional to 42,916.11, 64,180.78 and 32,787.57

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Solution

The fourth proportional to 42,916.11, 64,180.78 and 32,787.57 is: 49,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,916.11 : 64,180.78 = 32,787.57 : x
  2. Step 2: Convert to fraction form
    42,916.11/64,180.78 = 32,787.57/x
  3. Step 3: Cross multiply
    42,916.11x = 64,180.78 × 32,787.57
  4. Step 4: Simplify right side
    42,916.11x = 2,104,331,816.90
  5. Step 5: Solve for x
    x = 2,104,331,816.90/42,916.11
  6. Step 6: Final answer
    x = 49,033.61

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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.