Home / 57,820.53-79,787.90-35,156.38

Finding the Fourth Proportional to 57,820.53, 79,787.90 and 35,156.38

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Solution

The fourth proportional to 57,820.53, 79,787.90 and 35,156.38 is: 48,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,820.53 : 79,787.90 = 35,156.38 : x
  2. Step 2: Convert to fraction form
    57,820.53/79,787.90 = 35,156.38/x
  3. Step 3: Cross multiply
    57,820.53x = 79,787.90 × 35,156.38
  4. Step 4: Simplify right side
    57,820.53x = 2,805,053,769.83
  5. Step 5: Solve for x
    x = 2,805,053,769.83/57,820.53
  6. Step 6: Final answer
    x = 48,513.11

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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.