Home / 48,617.34-72,896.82-18,999.87

Finding the Fourth Proportional to 48,617.34, 72,896.82 and 18,999.87

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Solution

The fourth proportional to 48,617.34, 72,896.82 and 18,999.87 is: 28,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,617.34 : 72,896.82 = 18,999.87 : x
  2. Step 2: Convert to fraction form
    48,617.34/72,896.82 = 18,999.87/x
  3. Step 3: Cross multiply
    48,617.34x = 72,896.82 × 18,999.87
  4. Step 4: Simplify right side
    48,617.34x = 1,385,030,103.41
  5. Step 5: Solve for x
    x = 1,385,030,103.41/48,617.34
  6. Step 6: Final answer
    x = 28,488.40

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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.