Home / 40,030.58-55,241.39-22,126.34

Finding the Fourth Proportional to 40,030.58, 55,241.39 and 22,126.34

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Solution

The fourth proportional to 40,030.58, 55,241.39 and 22,126.34 is: 30,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.58 : 55,241.39 = 22,126.34 : x
  2. Step 2: Convert to fraction form
    40,030.58/55,241.39 = 22,126.34/x
  3. Step 3: Cross multiply
    40,030.58x = 55,241.39 × 22,126.34
  4. Step 4: Simplify right side
    40,030.58x = 1,222,289,390.37
  5. Step 5: Solve for x
    x = 1,222,289,390.37/40,030.58
  6. Step 6: Final answer
    x = 30,533.90

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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.