Home / 40,160.49-55,420.65-22,255.34

Finding the Fourth Proportional to 40,160.49, 55,420.65 and 22,255.34

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Solution

The fourth proportional to 40,160.49, 55,420.65 and 22,255.34 is: 30,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.49 : 55,420.65 = 22,255.34 : x
  2. Step 2: Convert to fraction form
    40,160.49/55,420.65 = 22,255.34/x
  3. Step 3: Cross multiply
    40,160.49x = 55,420.65 × 22,255.34
  4. Step 4: Simplify right side
    40,160.49x = 1,233,405,131.67
  5. Step 5: Solve for x
    x = 1,233,405,131.67/40,160.49
  6. Step 6: Final answer
    x = 30,711.90

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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.