Home / 39,485.66-59,249.00-18,419.69

Finding the Fourth Proportional to 39,485.66, 59,249.00 and 18,419.69

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Solution

The fourth proportional to 39,485.66, 59,249.00 and 18,419.69 is: 27,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,485.66 : 59,249.00 = 18,419.69 : x
  2. Step 2: Convert to fraction form
    39,485.66/59,249.00 = 18,419.69/x
  3. Step 3: Cross multiply
    39,485.66x = 59,249.00 × 18,419.69
  4. Step 4: Simplify right side
    39,485.66x = 1,091,347,824.47
  5. Step 5: Solve for x
    x = 1,091,347,824.47/39,485.66
  6. Step 6: Final answer
    x = 27,639.10

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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.