Home / 64,790.40-97,179.12-18,043.68

Finding the Fourth Proportional to 64,790.40, 97,179.12 and 18,043.68

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Solution

The fourth proportional to 64,790.40, 97,179.12 and 18,043.68 is: 27,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,790.40 : 97,179.12 = 18,043.68 : x
  2. Step 2: Convert to fraction form
    64,790.40/97,179.12 = 18,043.68/x
  3. Step 3: Cross multiply
    64,790.40x = 97,179.12 × 18,043.68
  4. Step 4: Simplify right side
    64,790.40x = 1,753,468,943.96
  5. Step 5: Solve for x
    x = 1,753,468,943.96/64,790.40
  6. Step 6: Final answer
    x = 27,063.72

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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.