Home / 38,023.08-52,475.79-21,890.97

Finding the Fourth Proportional to 38,023.08, 52,475.79 and 21,890.97

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Solution

The fourth proportional to 38,023.08, 52,475.79 and 21,890.97 is: 30,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,023.08 : 52,475.79 = 21,890.97 : x
  2. Step 2: Convert to fraction form
    38,023.08/52,475.79 = 21,890.97/x
  3. Step 3: Cross multiply
    38,023.08x = 52,475.79 × 21,890.97
  4. Step 4: Simplify right side
    38,023.08x = 1,148,745,944.62
  5. Step 5: Solve for x
    x = 1,148,745,944.62/38,023.08
  6. Step 6: Final answer
    x = 30,211.81

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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.