Home / 39,816.66-59,733.88-12,116.82

Finding the Fourth Proportional to 39,816.66, 59,733.88 and 12,116.82

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Solution

The fourth proportional to 39,816.66, 59,733.88 and 12,116.82 is: 18,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,816.66 : 59,733.88 = 12,116.82 : x
  2. Step 2: Convert to fraction form
    39,816.66/59,733.88 = 12,116.82/x
  3. Step 3: Cross multiply
    39,816.66x = 59,733.88 × 12,116.82
  4. Step 4: Simplify right side
    39,816.66x = 723,784,671.86
  5. Step 5: Solve for x
    x = 723,784,671.86/39,816.66
  6. Step 6: Final answer
    x = 18,177.94

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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.