Home / 42,836.63-64,181.82-30,335.88

Finding the Fourth Proportional to 42,836.63, 64,181.82 and 30,335.88

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Solution

The fourth proportional to 42,836.63, 64,181.82 and 30,335.88 is: 45,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,836.63 : 64,181.82 = 30,335.88 : x
  2. Step 2: Convert to fraction form
    42,836.63/64,181.82 = 30,335.88/x
  3. Step 3: Cross multiply
    42,836.63x = 64,181.82 × 30,335.88
  4. Step 4: Simplify right side
    42,836.63x = 1,947,011,989.70
  5. Step 5: Solve for x
    x = 1,947,011,989.70/42,836.63
  6. Step 6: Final answer
    x = 45,452.04

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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.