Home / 20,180.34-30,232.44-10,325.88

Finding the Fourth Proportional to 20,180.34, 30,232.44 and 10,325.88

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Solution

The fourth proportional to 20,180.34, 30,232.44 and 10,325.88 is: 15,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.34 : 30,232.44 = 10,325.88 : x
  2. Step 2: Convert to fraction form
    20,180.34/30,232.44 = 10,325.88/x
  3. Step 3: Cross multiply
    20,180.34x = 30,232.44 × 10,325.88
  4. Step 4: Simplify right side
    20,180.34x = 312,176,547.55
  5. Step 5: Solve for x
    x = 312,176,547.55/20,180.34
  6. Step 6: Final answer
    x = 15,469.34

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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.