Home / 39,621.66-59,441.13-11,917.50

Finding the Fourth Proportional to 39,621.66, 59,441.13 and 11,917.50

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Solution

The fourth proportional to 39,621.66, 59,441.13 and 11,917.50 is: 17,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,621.66 : 59,441.13 = 11,917.50 : x
  2. Step 2: Convert to fraction form
    39,621.66/59,441.13 = 11,917.50/x
  3. Step 3: Cross multiply
    39,621.66x = 59,441.13 × 11,917.50
  4. Step 4: Simplify right side
    39,621.66x = 708,389,666.78
  5. Step 5: Solve for x
    x = 708,389,666.78/39,621.66
  6. Step 6: Final answer
    x = 17,878.85

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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.