Home / 38,768.64-53,503.56-21,773.88

Finding the Fourth Proportional to 38,768.64, 53,503.56 and 21,773.88

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Solution

The fourth proportional to 38,768.64, 53,503.56 and 21,773.88 is: 30,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,768.64 : 53,503.56 = 21,773.88 : x
  2. Step 2: Convert to fraction form
    38,768.64/53,503.56 = 21,773.88/x
  3. Step 3: Cross multiply
    38,768.64x = 53,503.56 × 21,773.88
  4. Step 4: Simplify right side
    38,768.64x = 1,164,980,095.01
  5. Step 5: Solve for x
    x = 1,164,980,095.01/38,768.64
  6. Step 6: Final answer
    x = 30,049.55

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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.