Home / 49,783.06-74,672.15-18,615.88

Finding the Fourth Proportional to 49,783.06, 74,672.15 and 18,615.88

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Solution

The fourth proportional to 49,783.06, 74,672.15 and 18,615.88 is: 27,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,783.06 : 74,672.15 = 18,615.88 : x
  2. Step 2: Convert to fraction form
    49,783.06/74,672.15 = 18,615.88/x
  3. Step 3: Cross multiply
    49,783.06x = 74,672.15 × 18,615.88
  4. Step 4: Simplify right side
    49,783.06x = 1,390,087,410.38
  5. Step 5: Solve for x
    x = 1,390,087,410.38/49,783.06
  6. Step 6: Final answer
    x = 27,922.90

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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.