Home / 39,861.05-59,805.39-17,689.95

Finding the Fourth Proportional to 39,861.05, 59,805.39 and 17,689.95

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Solution

The fourth proportional to 39,861.05, 59,805.39 and 17,689.95 is: 26,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861.05 : 59,805.39 = 17,689.95 : x
  2. Step 2: Convert to fraction form
    39,861.05/59,805.39 = 17,689.95/x
  3. Step 3: Cross multiply
    39,861.05x = 59,805.39 × 17,689.95
  4. Step 4: Simplify right side
    39,861.05x = 1,057,954,358.83
  5. Step 5: Solve for x
    x = 1,057,954,358.83/39,861.05
  6. Step 6: Final answer
    x = 26,541.06

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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.