Home / 39,984.78-55,176.66-22,079.34

Finding the Fourth Proportional to 39,984.78, 55,176.66 and 22,079.34

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Solution

The fourth proportional to 39,984.78, 55,176.66 and 22,079.34 is: 30,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,984.78 : 55,176.66 = 22,079.34 : x
  2. Step 2: Convert to fraction form
    39,984.78/55,176.66 = 22,079.34/x
  3. Step 3: Cross multiply
    39,984.78x = 55,176.66 × 22,079.34
  4. Step 4: Simplify right side
    39,984.78x = 1,218,264,236.20
  5. Step 5: Solve for x
    x = 1,218,264,236.20/39,984.78
  6. Step 6: Final answer
    x = 30,468.20

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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.