Home / 42,997.29-64,520.84-18,035.11

Finding the Fourth Proportional to 42,997.29, 64,520.84 and 18,035.11

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Solution

The fourth proportional to 42,997.29, 64,520.84 and 18,035.11 is: 27,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,997.29 : 64,520.84 = 18,035.11 : x
  2. Step 2: Convert to fraction form
    42,997.29/64,520.84 = 18,035.11/x
  3. Step 3: Cross multiply
    42,997.29x = 64,520.84 × 18,035.11
  4. Step 4: Simplify right side
    42,997.29x = 1,163,640,446.69
  5. Step 5: Solve for x
    x = 1,163,640,446.69/42,997.29
  6. Step 6: Final answer
    x = 27,063.11

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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.