Home / 39,409.64-59,124.36-11,329.75

Finding the Fourth Proportional to 39,409.64, 59,124.36 and 11,329.75

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Solution

The fourth proportional to 39,409.64, 59,124.36 and 11,329.75 is: 16,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.64 : 59,124.36 = 11,329.75 : x
  2. Step 2: Convert to fraction form
    39,409.64/59,124.36 = 11,329.75/x
  3. Step 3: Cross multiply
    39,409.64x = 59,124.36 × 11,329.75
  4. Step 4: Simplify right side
    39,409.64x = 669,863,922.09
  5. Step 5: Solve for x
    x = 669,863,922.09/39,409.64
  6. Step 6: Final answer
    x = 16,997.46

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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.