Home / 39,896.12-59,837.69-18,836.12

Finding the Fourth Proportional to 39,896.12, 59,837.69 and 18,836.12

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Solution

The fourth proportional to 39,896.12, 59,837.69 and 18,836.12 is: 28,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,896.12 : 59,837.69 = 18,836.12 : x
  2. Step 2: Convert to fraction form
    39,896.12/59,837.69 = 18,836.12/x
  3. Step 3: Cross multiply
    39,896.12x = 59,837.69 × 18,836.12
  4. Step 4: Simplify right side
    39,896.12x = 1,127,109,515.99
  5. Step 5: Solve for x
    x = 1,127,109,515.99/39,896.12
  6. Step 6: Final answer
    x = 28,251.11

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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.