Home / 38,121.08-57,191.34-14,749.16

Finding the Fourth Proportional to 38,121.08, 57,191.34 and 14,749.16

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Solution

The fourth proportional to 38,121.08, 57,191.34 and 14,749.16 is: 22,127.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,121.08 : 57,191.34 = 14,749.16 : x
  2. Step 2: Convert to fraction form
    38,121.08/57,191.34 = 14,749.16/x
  3. Step 3: Cross multiply
    38,121.08x = 57,191.34 × 14,749.16
  4. Step 4: Simplify right side
    38,121.08x = 843,524,224.27
  5. Step 5: Solve for x
    x = 843,524,224.27/38,121.08
  6. Step 6: Final answer
    x = 22,127.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.