Home / 47,389.20-65,396.68-26,168.64

Finding the Fourth Proportional to 47,389.20, 65,396.68 and 26,168.64

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Solution

The fourth proportional to 47,389.20, 65,396.68 and 26,168.64 is: 36,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389.20 : 65,396.68 = 26,168.64 : x
  2. Step 2: Convert to fraction form
    47,389.20/65,396.68 = 26,168.64/x
  3. Step 3: Cross multiply
    47,389.20x = 65,396.68 × 26,168.64
  4. Step 4: Simplify right side
    47,389.20x = 1,711,342,176.12
  5. Step 5: Solve for x
    x = 1,711,342,176.12/47,389.20
  6. Step 6: Final answer
    x = 36,112.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.