Home / 48,515.81-72,773.72-13,455.47

Finding the Fourth Proportional to 48,515.81, 72,773.72 and 13,455.47

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Solution

The fourth proportional to 48,515.81, 72,773.72 and 13,455.47 is: 20,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,515.81 : 72,773.72 = 13,455.47 : x
  2. Step 2: Convert to fraction form
    48,515.81/72,773.72 = 13,455.47/x
  3. Step 3: Cross multiply
    48,515.81x = 72,773.72 × 13,455.47
  4. Step 4: Simplify right side
    48,515.81x = 979,204,821.82
  5. Step 5: Solve for x
    x = 979,204,821.82/48,515.81
  6. Step 6: Final answer
    x = 20,183.21

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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.