Home / 39,984.32-55,178.07-22,079.32

Finding the Fourth Proportional to 39,984.32, 55,178.07 and 22,079.32

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Solution

The fourth proportional to 39,984.32, 55,178.07 and 22,079.32 is: 30,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,984.32 : 55,178.07 = 22,079.32 : x
  2. Step 2: Convert to fraction form
    39,984.32/55,178.07 = 22,079.32/x
  3. Step 3: Cross multiply
    39,984.32x = 55,178.07 × 22,079.32
  4. Step 4: Simplify right side
    39,984.32x = 1,218,294,264.51
  5. Step 5: Solve for x
    x = 1,218,294,264.51/39,984.32
  6. Step 6: Final answer
    x = 30,469.30

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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.