Home / 39,986.16-59,979.49-16,612.59

Finding the Fourth Proportional to 39,986.16, 59,979.49 and 16,612.59

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Solution

The fourth proportional to 39,986.16, 59,979.49 and 16,612.59 is: 24,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.16 : 59,979.49 = 16,612.59 : x
  2. Step 2: Convert to fraction form
    39,986.16/59,979.49 = 16,612.59/x
  3. Step 3: Cross multiply
    39,986.16x = 59,979.49 × 16,612.59
  4. Step 4: Simplify right side
    39,986.16x = 996,414,859.17
  5. Step 5: Solve for x
    x = 996,414,859.17/39,986.16
  6. Step 6: Final answer
    x = 24,919.00

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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.