Home / 20,294.60-30,442.56-5,503.48

Finding the Fourth Proportional to 20,294.60, 30,442.56 and 5,503.48

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Solution

The fourth proportional to 20,294.60, 30,442.56 and 5,503.48 is: 8,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.60 : 30,442.56 = 5,503.48 : x
  2. Step 2: Convert to fraction form
    20,294.60/30,442.56 = 5,503.48/x
  3. Step 3: Cross multiply
    20,294.60x = 30,442.56 × 5,503.48
  4. Step 4: Simplify right side
    20,294.60x = 167,540,020.11
  5. Step 5: Solve for x
    x = 167,540,020.11/20,294.60
  6. Step 6: Final answer
    x = 8,255.40

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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.