Home / 39,884.66-59,824.83-12,180.50

Finding the Fourth Proportional to 39,884.66, 59,824.83 and 12,180.50

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Solution

The fourth proportional to 39,884.66, 59,824.83 and 12,180.50 is: 18,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,884.66 : 59,824.83 = 12,180.50 : x
  2. Step 2: Convert to fraction form
    39,884.66/59,824.83 = 12,180.50/x
  3. Step 3: Cross multiply
    39,884.66x = 59,824.83 × 12,180.50
  4. Step 4: Simplify right side
    39,884.66x = 728,696,341.82
  5. Step 5: Solve for x
    x = 728,696,341.82/39,884.66
  6. Step 6: Final answer
    x = 18,270.09

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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.