Home / 47,384.11-71,076.12-12,322.81

Finding the Fourth Proportional to 47,384.11, 71,076.12 and 12,322.81

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Solution

The fourth proportional to 47,384.11, 71,076.12 and 12,322.81 is: 18,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,384.11 : 71,076.12 = 12,322.81 : x
  2. Step 2: Convert to fraction form
    47,384.11/71,076.12 = 12,322.81/x
  3. Step 3: Cross multiply
    47,384.11x = 71,076.12 × 12,322.81
  4. Step 4: Simplify right side
    47,384.11x = 875,857,522.30
  5. Step 5: Solve for x
    x = 875,857,522.30/47,384.11
  6. Step 6: Final answer
    x = 18,484.20

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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.