Home / 39,928.27-55,099.03-22,022.21

Finding the Fourth Proportional to 39,928.27, 55,099.03 and 22,022.21

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Solution

The fourth proportional to 39,928.27, 55,099.03 and 22,022.21 is: 30,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.27 : 55,099.03 = 22,022.21 : x
  2. Step 2: Convert to fraction form
    39,928.27/55,099.03 = 22,022.21/x
  3. Step 3: Cross multiply
    39,928.27x = 55,099.03 × 22,022.21
  4. Step 4: Simplify right side
    39,928.27x = 1,213,402,409.46
  5. Step 5: Solve for x
    x = 1,213,402,409.46/39,928.27
  6. Step 6: Final answer
    x = 30,389.56

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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.