Home / 48,359.84-72,540.60-13,299.28

Finding the Fourth Proportional to 48,359.84, 72,540.60 and 13,299.28

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Solution

The fourth proportional to 48,359.84, 72,540.60 and 13,299.28 is: 19,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,359.84 : 72,540.60 = 13,299.28 : x
  2. Step 2: Convert to fraction form
    48,359.84/72,540.60 = 13,299.28/x
  3. Step 3: Cross multiply
    48,359.84x = 72,540.60 × 13,299.28
  4. Step 4: Simplify right side
    48,359.84x = 964,737,750.77
  5. Step 5: Solve for x
    x = 964,737,750.77/48,359.84
  6. Step 6: Final answer
    x = 19,949.15

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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.