Home / 20,029.66-30,044.16-5,989.72

Finding the Fourth Proportional to 20,029.66, 30,044.16 and 5,989.72

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Solution

The fourth proportional to 20,029.66, 30,044.16 and 5,989.72 is: 8,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.66 : 30,044.16 = 5,989.72 : x
  2. Step 2: Convert to fraction form
    20,029.66/30,044.16 = 5,989.72/x
  3. Step 3: Cross multiply
    20,029.66x = 30,044.16 × 5,989.72
  4. Step 4: Simplify right side
    20,029.66x = 179,956,106.04
  5. Step 5: Solve for x
    x = 179,956,106.04/20,029.66
  6. Step 6: Final answer
    x = 8,984.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.