Home / 39,644.64-54,777.60-38,225.52

Finding the Fourth Proportional to 39,644.64, 54,777.60 and 38,225.52

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Solution

The fourth proportional to 39,644.64, 54,777.60 and 38,225.52 is: 52,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,644.64 : 54,777.60 = 38,225.52 : x
  2. Step 2: Convert to fraction form
    39,644.64/54,777.60 = 38,225.52/x
  3. Step 3: Cross multiply
    39,644.64x = 54,777.60 × 38,225.52
  4. Step 4: Simplify right side
    39,644.64x = 2,093,902,244.35
  5. Step 5: Solve for x
    x = 2,093,902,244.35/39,644.64
  6. Step 6: Final answer
    x = 52,816.78

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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.