Home / 39,940.67-55,118.49-22,035.51

Finding the Fourth Proportional to 39,940.67, 55,118.49 and 22,035.51

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Solution

The fourth proportional to 39,940.67, 55,118.49 and 22,035.51 is: 30,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.67 : 55,118.49 = 22,035.51 : x
  2. Step 2: Convert to fraction form
    39,940.67/55,118.49 = 22,035.51/x
  3. Step 3: Cross multiply
    39,940.67x = 55,118.49 × 22,035.51
  4. Step 4: Simplify right side
    39,940.67x = 1,214,564,037.58
  5. Step 5: Solve for x
    x = 1,214,564,037.58/39,940.67
  6. Step 6: Final answer
    x = 30,409.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.