Home / 40,043.63-55,261.36-22,139.79

Finding the Fourth Proportional to 40,043.63, 55,261.36 and 22,139.79

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Solution

The fourth proportional to 40,043.63, 55,261.36 and 22,139.79 is: 30,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,043.63 : 55,261.36 = 22,139.79 : x
  2. Step 2: Convert to fraction form
    40,043.63/55,261.36 = 22,139.79/x
  3. Step 3: Cross multiply
    40,043.63x = 55,261.36 × 22,139.79
  4. Step 4: Simplify right side
    40,043.63x = 1,223,474,933.19
  5. Step 5: Solve for x
    x = 1,223,474,933.19/40,043.63
  6. Step 6: Final answer
    x = 30,553.55

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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.