Home / 39,940.54-59,911.27-11,859.92

Finding the Fourth Proportional to 39,940.54, 59,911.27 and 11,859.92

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Solution

The fourth proportional to 39,940.54, 59,911.27 and 11,859.92 is: 17,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.54 : 59,911.27 = 11,859.92 : x
  2. Step 2: Convert to fraction form
    39,940.54/59,911.27 = 11,859.92/x
  3. Step 3: Cross multiply
    39,940.54x = 59,911.27 × 11,859.92
  4. Step 4: Simplify right side
    39,940.54x = 710,542,798.12
  5. Step 5: Solve for x
    x = 710,542,798.12/39,940.54
  6. Step 6: Final answer
    x = 17,790.01

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1.5x scale

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.