Home / 48,401.60-72,583.74-18,815.48

Finding the Fourth Proportional to 48,401.60, 72,583.74 and 18,815.48

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Solution

The fourth proportional to 48,401.60, 72,583.74 and 18,815.48 is: 28,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,401.60 : 72,583.74 = 18,815.48 : x
  2. Step 2: Convert to fraction form
    48,401.60/72,583.74 = 18,815.48/x
  3. Step 3: Cross multiply
    48,401.60x = 72,583.74 × 18,815.48
  4. Step 4: Simplify right side
    48,401.60x = 1,365,697,908.30
  5. Step 5: Solve for x
    x = 1,365,697,908.30/48,401.60
  6. Step 6: Final answer
    x = 28,215.97

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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.