Home / 40,329.82-55,654.20-22,424.78

Finding the Fourth Proportional to 40,329.82, 55,654.20 and 22,424.78

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Solution

The fourth proportional to 40,329.82, 55,654.20 and 22,424.78 is: 30,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,329.82 : 55,654.20 = 22,424.78 : x
  2. Step 2: Convert to fraction form
    40,329.82/55,654.20 = 22,424.78/x
  3. Step 3: Cross multiply
    40,329.82x = 55,654.20 × 22,424.78
  4. Step 4: Simplify right side
    40,329.82x = 1,248,033,191.08
  5. Step 5: Solve for x
    x = 1,248,033,191.08/40,329.82
  6. Step 6: Final answer
    x = 30,945.67

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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.