Home / 38,752.57-53,481.63-21,757.93

Finding the Fourth Proportional to 38,752.57, 53,481.63 and 21,757.93

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Solution

The fourth proportional to 38,752.57, 53,481.63 and 21,757.93 is: 30,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,752.57 : 53,481.63 = 21,757.93 : x
  2. Step 2: Convert to fraction form
    38,752.57/53,481.63 = 21,757.93/x
  3. Step 3: Cross multiply
    38,752.57x = 53,481.63 × 21,757.93
  4. Step 4: Simplify right side
    38,752.57x = 1,163,649,561.83
  5. Step 5: Solve for x
    x = 1,163,649,561.83/38,752.57
  6. Step 6: Final answer
    x = 30,027.67

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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.