Home / 39,940.59-55,118.20-22,035.59

Finding the Fourth Proportional to 39,940.59, 55,118.20 and 22,035.59

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Solution

The fourth proportional to 39,940.59, 55,118.20 and 22,035.59 is: 30,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.59 : 55,118.20 = 22,035.59 : x
  2. Step 2: Convert to fraction form
    39,940.59/55,118.20 = 22,035.59/x
  3. Step 3: Cross multiply
    39,940.59x = 55,118.20 × 22,035.59
  4. Step 4: Simplify right side
    39,940.59x = 1,214,562,056.74
  5. Step 5: Solve for x
    x = 1,214,562,056.74/39,940.59
  6. Step 6: Final answer
    x = 30,409.22

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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.