Home / 57,787.28-79,748.03-32,636.78

Finding the Fourth Proportional to 57,787.28, 79,748.03 and 32,636.78

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Solution

The fourth proportional to 57,787.28, 79,748.03 and 32,636.78 is: 45,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,787.28 : 79,748.03 = 32,636.78 : x
  2. Step 2: Convert to fraction form
    57,787.28/79,748.03 = 32,636.78/x
  3. Step 3: Cross multiply
    57,787.28x = 79,748.03 × 32,636.78
  4. Step 4: Simplify right side
    57,787.28x = 2,602,718,747.36
  5. Step 5: Solve for x
    x = 2,602,718,747.36/57,787.28
  6. Step 6: Final answer
    x = 45,039.65

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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.