Home / 40,019.09-55,227.47-22,115.25

Finding the Fourth Proportional to 40,019.09, 55,227.47 and 22,115.25

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Solution

The fourth proportional to 40,019.09, 55,227.47 and 22,115.25 is: 30,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.09 : 55,227.47 = 22,115.25 : x
  2. Step 2: Convert to fraction form
    40,019.09/55,227.47 = 22,115.25/x
  3. Step 3: Cross multiply
    40,019.09x = 55,227.47 × 22,115.25
  4. Step 4: Simplify right side
    40,019.09x = 1,221,369,195.34
  5. Step 5: Solve for x
    x = 1,221,369,195.34/40,019.09
  6. Step 6: Final answer
    x = 30,519.67

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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.