Home / 20,325.84-30,489.30-5,535.06

Finding the Fourth Proportional to 20,325.84, 30,489.30 and 5,535.06

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Solution

The fourth proportional to 20,325.84, 30,489.30 and 5,535.06 is: 8,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.84 : 30,489.30 = 5,535.06 : x
  2. Step 2: Convert to fraction form
    20,325.84/30,489.30 = 5,535.06/x
  3. Step 3: Cross multiply
    20,325.84x = 30,489.30 × 5,535.06
  4. Step 4: Simplify right side
    20,325.84x = 168,760,104.86
  5. Step 5: Solve for x
    x = 168,760,104.86/20,325.84
  6. Step 6: Final answer
    x = 8,302.74

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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.