Home / 20,294.79-30,443.63-5,503.44

Finding the Fourth Proportional to 20,294.79, 30,443.63 and 5,503.44

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Solution

The fourth proportional to 20,294.79, 30,443.63 and 5,503.44 is: 8,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.79 : 30,443.63 = 5,503.44 : x
  2. Step 2: Convert to fraction form
    20,294.79/30,443.63 = 5,503.44/x
  3. Step 3: Cross multiply
    20,294.79x = 30,443.63 × 5,503.44
  4. Step 4: Simplify right side
    20,294.79x = 167,544,691.09
  5. Step 5: Solve for x
    x = 167,544,691.09/20,294.79
  6. Step 6: Final answer
    x = 8,255.55

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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.