Home / 48,986.91-73,505.65-20,899.43

Finding the Fourth Proportional to 48,986.91, 73,505.65 and 20,899.43

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Solution

The fourth proportional to 48,986.91, 73,505.65 and 20,899.43 is: 31,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,986.91 : 73,505.65 = 20,899.43 : x
  2. Step 2: Convert to fraction form
    48,986.91/73,505.65 = 20,899.43/x
  3. Step 3: Cross multiply
    48,986.91x = 73,505.65 × 20,899.43
  4. Step 4: Simplify right side
    48,986.91x = 1,536,225,767.00
  5. Step 5: Solve for x
    x = 1,536,225,767.00/48,986.91
  6. Step 6: Final answer
    x = 31,359.92

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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.