Home / 39,868.80-59,811.06-11,406.02

Finding the Fourth Proportional to 39,868.80, 59,811.06 and 11,406.02

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Solution

The fourth proportional to 39,868.80, 59,811.06 and 11,406.02 is: 17,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,868.80 : 59,811.06 = 11,406.02 : x
  2. Step 2: Convert to fraction form
    39,868.80/59,811.06 = 11,406.02/x
  3. Step 3: Cross multiply
    39,868.80x = 59,811.06 × 11,406.02
  4. Step 4: Simplify right side
    39,868.80x = 682,205,847.53
  5. Step 5: Solve for x
    x = 682,205,847.53/39,868.80
  6. Step 6: Final answer
    x = 17,111.27

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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.