Home / 48,310.85-72,477.05-19,847.81

Finding the Fourth Proportional to 48,310.85, 72,477.05 and 19,847.81

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Solution

The fourth proportional to 48,310.85, 72,477.05 and 19,847.81 is: 29,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,310.85 : 72,477.05 = 19,847.81 : x
  2. Step 2: Convert to fraction form
    48,310.85/72,477.05 = 19,847.81/x
  3. Step 3: Cross multiply
    48,310.85x = 72,477.05 × 19,847.81
  4. Step 4: Simplify right side
    48,310.85x = 1,438,510,256.14
  5. Step 5: Solve for x
    x = 1,438,510,256.14/48,310.85
  6. Step 6: Final answer
    x = 29,776.14

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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.