Home / 49,094.11-73,641.48-20,990.50

Finding the Fourth Proportional to 49,094.11, 73,641.48 and 20,990.50

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Solution

The fourth proportional to 49,094.11, 73,641.48 and 20,990.50 is: 31,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,094.11 : 73,641.48 = 20,990.50 : x
  2. Step 2: Convert to fraction form
    49,094.11/73,641.48 = 20,990.50/x
  3. Step 3: Cross multiply
    49,094.11x = 73,641.48 × 20,990.50
  4. Step 4: Simplify right side
    49,094.11x = 1,545,771,485.94
  5. Step 5: Solve for x
    x = 1,545,771,485.94/49,094.11
  6. Step 6: Final answer
    x = 31,485.88

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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.