Home / 38,771.55-53,505.23-22,855.05

Finding the Fourth Proportional to 38,771.55, 53,505.23 and 22,855.05

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Solution

The fourth proportional to 38,771.55, 53,505.23 and 22,855.05 is: 31,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,771.55 : 53,505.23 = 22,855.05 : x
  2. Step 2: Convert to fraction form
    38,771.55/53,505.23 = 22,855.05/x
  3. Step 3: Cross multiply
    38,771.55x = 53,505.23 × 22,855.05
  4. Step 4: Simplify right side
    38,771.55x = 1,222,864,592.64
  5. Step 5: Solve for x
    x = 1,222,864,592.64/38,771.55
  6. Step 6: Final answer
    x = 31,540.26

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1.5x scale

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.