Home / 39,955.43-55,138.37-22,052.40

Finding the Fourth Proportional to 39,955.43, 55,138.37 and 22,052.40

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Solution

The fourth proportional to 39,955.43, 55,138.37 and 22,052.40 is: 30,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.43 : 55,138.37 = 22,052.40 : x
  2. Step 2: Convert to fraction form
    39,955.43/55,138.37 = 22,052.40/x
  3. Step 3: Cross multiply
    39,955.43x = 55,138.37 × 22,052.40
  4. Step 4: Simplify right side
    39,955.43x = 1,215,933,280.33
  5. Step 5: Solve for x
    x = 1,215,933,280.33/39,955.43
  6. Step 6: Final answer
    x = 30,432.24

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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.