Home / 40,166.49-55,428.24-22,261.80

Finding the Fourth Proportional to 40,166.49, 55,428.24 and 22,261.80

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Solution

The fourth proportional to 40,166.49, 55,428.24 and 22,261.80 is: 30,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,166.49 : 55,428.24 = 22,261.80 : x
  2. Step 2: Convert to fraction form
    40,166.49/55,428.24 = 22,261.80/x
  3. Step 3: Cross multiply
    40,166.49x = 55,428.24 × 22,261.80
  4. Step 4: Simplify right side
    40,166.49x = 1,233,932,393.23
  5. Step 5: Solve for x
    x = 1,233,932,393.23/40,166.49
  6. Step 6: Final answer
    x = 30,720.44

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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.