Home / 39,935.46-55,110.78-22,031.58

Finding the Fourth Proportional to 39,935.46, 55,110.78 and 22,031.58

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Solution

The fourth proportional to 39,935.46, 55,110.78 and 22,031.58 is: 30,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.46 : 55,110.78 = 22,031.58 : x
  2. Step 2: Convert to fraction form
    39,935.46/55,110.78 = 22,031.58/x
  3. Step 3: Cross multiply
    39,935.46x = 55,110.78 × 22,031.58
  4. Step 4: Simplify right side
    39,935.46x = 1,214,177,558.43
  5. Step 5: Solve for x
    x = 1,214,177,558.43/39,935.46
  6. Step 6: Final answer
    x = 30,403.49

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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.